3157473329 has 4 divisors (see below), whose sum is σ = 3242810484. Its totient is φ = 3072136176.

The previous prime is 3157473299. The next prime is 3157473331. The reversal of 3157473329 is 9233747513.

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 2854016929 + 303456400 = 53423^2 + 17420^2 .

It is a cyclic number.

It is not a de Polignac number, because 3157473329 - 2⁸ = 3157473073 is a prime.

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 3157473329.

It is not an unprimeable number, because it can be changed into a prime (3157473229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42668522 + ... + 42668595.

It is an arithmetic number, because the mean of its divisors is an integer number (810702621).

Almost surely, 2^3157473329 is an apocalyptic number.

It is an amenable number.

3157473329 is a deficient number, since it is larger than the sum of its proper divisors (85337155).

3157473329 is an equidigital number, since it uses as much as digits as its factorization.

3157473329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85337154.

The product of its digits is 476280, while the sum is 44.

The square root of 3157473329 is about 56191.3990660492. The cubic root of 3157473329 is about 1467.0555665389.

The spelling of 3157473329 in words is "three billion, one hundred fifty-seven million, four hundred seventy-three thousand, three hundred twenty-nine".