3174891449 has 4 divisors (see below), whose sum is σ = 3260699364. Its totient is φ = 3089083536.

The previous prime is 3174891437. The next prime is 3174891463. The reversal of 3174891449 is 9441984713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2043040000 + 1131851449 = 45200^2 + 33643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3174891449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3174891397 and 3174891406.

It is not an unprimeable number, because it can be changed into a prime (3174891409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42903902 + ... + 42903975.

It is an arithmetic number, because the mean of its divisors is an integer number (815174841).

Almost surely, 2^3174891449 is an apocalyptic number.

It is an amenable number.

3174891449 is a deficient number, since it is larger than the sum of its proper divisors (85807915).

3174891449 is an equidigital number, since it uses as much as digits as its factorization.

3174891449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85807914.

The product of its digits is 870912, while the sum is 50.

The square root of 3174891449 is about 56346.1751053255. The cubic root of 3174891449 is about 1469.7482792021.

The spelling of 3174891449 in words is "three billion, one hundred seventy-four million, eight hundred ninety-one thousand, four hundred forty-nine".