68135764395 has 16 divisors (see below), whose sum is σ = 109021427712. Its totient is φ = 36337672800.

The previous prime is 68135764387. The next prime is 68135764447. The reversal of 68135764395 is 59346753186.

It is not a de Polignac number, because 68135764395 - 2³ = 68135764387 is a prime.

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, 402870 + ... + 546420.

It is an arithmetic number, because the mean of its divisors is an integer number (6813839232).

Almost surely, 2^68135764395 is an apocalyptic number.

68135764395 is a deficient number, since it is larger than the sum of its proper divisors (40885663317).

68135764395 is a wasteful number, since it uses less digits than its factorization.

68135764395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175202.

The product of its digits is 16329600, while the sum is 57.

The spelling of 68135764395 in words is "sixty-eight billion, one hundred thirty-five million, seven hundred sixty-four thousand, three hundred ninety-five".