949471549 has 4 divisors (see below), whose sum is σ = 1022507836. Its totient is φ = 876435264.

The previous prime is 949471517. The next prime is 949471561. The reversal of 949471549 is 945174949.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 945174949 = 23 ⋅41094563.

It can be written as a sum of positive squares in 2 ways, for example, as 217769049 + 731702500 = 14757^2 + 27050^2 .

It is a cyclic number.

It is not a de Polignac number, because 949471549 - 2⁵ = 949471517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 949471496 and 949471505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949474549) 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, 36518124 + ... + 36518149.

It is an arithmetic number, because the mean of its divisors is an integer number (255626959).

Almost surely, 2^949471549 is an apocalyptic number.

It is an amenable number.

949471549 is a deficient number, since it is larger than the sum of its proper divisors (73036287).

949471549 is a wasteful number, since it uses less digits than its factorization.

949471549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73036286.

The product of its digits is 1632960, while the sum is 52.

The square root of 949471549 is about 30813.4962151327. The cubic root of 949471549 is about 982.8652606222.

The spelling of 949471549 in words is "nine hundred forty-nine million, four hundred seventy-one thousand, five hundred forty-nine".