6323945138 has 16 divisors (see below), whose sum is σ = 10865754240. Its totient is φ = 2704085856.

The previous prime is 6323945129. The next prime is 6323945171. The reversal of 6323945138 is 8315493236.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508331 + ... + 520622.

It is an arithmetic number, because the mean of its divisors is an integer number (679109640).

Almost surely, 2^6323945138 is an apocalyptic number.

6323945138 is a deficient number, since it is larger than the sum of its proper divisors (4541809102).

6323945138 is a wasteful number, since it uses less digits than its factorization.

6323945138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029401.

The product of its digits is 466560, while the sum is 44.

The square root of 6323945138 is about 79523.2364658280. The cubic root of 6323945138 is about 1849.2517195854.

The spelling of 6323945138 in words is "six billion, three hundred twenty-three million, nine hundred forty-five thousand, one hundred thirty-eight".