68859841535 has 16 divisors (see below), whose sum is σ = 83684966400. Its totient is φ = 54386683680.

The previous prime is 68859841513. The next prime is 68859841651. The reversal of 68859841535 is 53514895886.

It is not a de Polignac number, because 68859841535 - 2⁶ = 68859841471 is a prime.

It is a super-2 number, since 2×68859841535² (a number of 22 digits) contains 22 as substring.

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, 554066 + ... + 666864.

It is an arithmetic number, because the mean of its divisors is an integer number (5230310400).

Almost surely, 2^68859841535 is an apocalyptic number.

68859841535 is a deficient number, since it is larger than the sum of its proper divisors (14825124865).

68859841535 is a wasteful number, since it uses less digits than its factorization.

68859841535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114358.

The product of its digits is 41472000, while the sum is 62.

The spelling of 68859841535 in words is "sixty-eight billion, eight hundred fifty-nine million, eight hundred forty-one thousand, five hundred thirty-five".