3156946349 has 8 divisors (see below), whose sum is σ = 3430298880. Its totient is φ = 2894313600.

The previous prime is 3156946339. The next prime is 3156946357. The reversal of 3156946349 is 9436496513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3156946349 - 2¹² = 3156942253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3156946297 and 3156946306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156946339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679332 + ... + 2680509.

It is an arithmetic number, because the mean of its divisors is an integer number (428787360).

Almost surely, 2^3156946349 is an apocalyptic number.

It is an amenable number.

3156946349 is a deficient number, since it is larger than the sum of its proper divisors (273352531).

3156946349 is a wasteful number, since it uses less digits than its factorization.

3156946349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359891.

The product of its digits is 2099520, while the sum is 50.

The square root of 3156946349 is about 56186.7097185802. The cubic root of 3156946349 is about 1466.9739451625.

The spelling of 3156946349 in words is "three billion, one hundred fifty-six million, nine hundred forty-six thousand, three hundred forty-nine".