6344612365 has 72 divisors (see below), whose sum is σ = 9901605888. Its totient is φ = 3885598080.

The previous prime is 6344612357. The next prime is 6344612419. The reversal of 6344612365 is 5632164436.

It is a happy number.

It is not a de Polignac number, because 6344612365 - 2³ = 6344612357 is a prime.

It is a super-2 number, since 2×6344612365² = 80508212124221786450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1281084 + ... + 1286026.

It is an arithmetic number, because the mean of its divisors is an integer number (137522304).

Almost surely, 2^6344612365 is an apocalyptic number.

6344612365 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6344612365 is a deficient number, since it is larger than the sum of its proper divisors (3556993523).

6344612365 is a wasteful number, since it uses less digits than its factorization.

6344612365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019 (or 4999 counting only the distinct ones).

The product of its digits is 311040, while the sum is 40.

The square root of 6344612365 is about 79653.0750504963. The cubic root of 6344612365 is about 1851.2640365478.

The spelling of 6344612365 in words is "six billion, three hundred forty-four million, six hundred twelve thousand, three hundred sixty-five".