68411291895 has 48 divisors (see below), whose sum is σ = 124754902272. Its totient is φ = 34634027520.

The previous prime is 68411291891. The next prime is 68411291903. The reversal of 68411291895 is 59819211486.

68411291895 is a `hidden beast` number, since 68 + 411 + 2 + 91 + 89 + 5 = 666.

It is not a de Polignac number, because 68411291895 - 2² = 68411291891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68411291891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 432807 + ... + 569336.

It is an arithmetic number, because the mean of its divisors is an integer number (2599060464).

Almost surely, 2^68411291895 is an apocalyptic number.

68411291895 is a deficient number, since it is larger than the sum of its proper divisors (56343610377).

68411291895 is a wasteful number, since it uses less digits than its factorization.

68411291895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002232 (or 1002229 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 54.

The spelling of 68411291895 in words is "sixty-eight billion, four hundred eleven million, two hundred ninety-one thousand, eight hundred ninety-five".