3147808965 has 16 divisors (see below), whose sum is σ = 5755993728. Its totient is φ = 1438998336.

The previous prime is 3147808949. The next prime is 3147808981. The reversal of 3147808965 is 5698087413.

It is an interprime number because it is at equal distance from previous prime (3147808949) and next prime (3147808981).

It is not a de Polignac number, because 3147808965 - 2⁴ = 3147808949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14989462 + ... + 14989671.

It is an arithmetic number, because the mean of its divisors is an integer number (359749608).

Almost surely, 2^3147808965 is an apocalyptic number.

3147808965 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3147808965 is a deficient number, since it is larger than the sum of its proper divisors (2608184763).

3147808965 is a wasteful number, since it uses less digits than its factorization.

3147808965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29979148.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 3147808965 is about 56105.3381150136. The cubic root of 3147808965 is about 1465.5572536338.

The spelling of 3147808965 in words is "three billion, one hundred forty-seven million, eight hundred eight thousand, nine hundred sixty-five".