3149997915 has 32 divisors (see below), whose sum is σ = 5396466240. Its totient is φ = 1563398144.

The previous prime is 3149997911. The next prime is 3149997937. The reversal of 3149997915 is 5197999413.

It is a cyclic number.

It is not a de Polignac number, because 3149997915 - 2² = 3149997911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3149997911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46704 + ... + 92093.

It is an arithmetic number, because the mean of its divisors is an integer number (168639570).

Almost surely, 2^3149997915 is an apocalyptic number.

3149997915 is a deficient number, since it is larger than the sum of its proper divisors (2246468325).

3149997915 is a wasteful number, since it uses less digits than its factorization.

3149997915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138911.

The product of its digits is 2755620, while the sum is 57.

The square root of 3149997915 is about 56124.8422269497. The cubic root of 3149997915 is about 1465.8968854501.

The spelling of 3149997915 in words is "three billion, one hundred forty-nine million, nine hundred ninety-seven thousand, nine hundred fifteen".