974495449 has 4 divisors (see below), whose sum is σ = 974563236. Its totient is φ = 974427664.

The previous prime is 974495429. The next prime is 974495461. The reversal of 974495449 is 944594479.

974495449 = T₂₅₄₈₇ + T₂₅₄₈₈ + T₂₅₄₈₉.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 944594479 = 16603 ⋅56893.

It can be written as a sum of positive squares in 2 ways, for example, as 946669824 + 27825625 = 30768^2 + 5275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974495449 is a prime.

It is a super-4 number, since 4×974495449⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 974495449.

It is not an unprimeable number, because it can be changed into a prime (974495429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854 + ... + 44239.

It is an arithmetic number, because the mean of its divisors is an integer number (243640809).

Almost surely, 2^974495449 is an apocalyptic number.

974495449 is the 25489-th centered triangular number.

It is an amenable number.

974495449 is a deficient number, since it is larger than the sum of its proper divisors (67787).

974495449 is a wasteful number, since it uses less digits than its factorization.

974495449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67786.

The product of its digits is 6531840, while the sum is 55.

The square root of 974495449 is about 31216.9096644751. The cubic root of 974495449 is about 991.4251653740.

The spelling of 974495449 in words is "nine hundred seventy-four million, four hundred ninety-five thousand, four hundred forty-nine".