68951253486 has 16 divisors (see below), whose sum is σ = 137954323584. Its totient is φ = 22975115064.

The previous prime is 68951253443. The next prime is 68951253521. The reversal of 68951253486 is 68435215986.

It is a congruent number.

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, 2141716 + ... + 2173671.

It is an arithmetic number, because the mean of its divisors is an integer number (8622145224).

Almost surely, 2^68951253486 is an apocalyptic number.

68951253486 is an abundant number, since it is smaller than the sum of its proper divisors (69003070098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68951253486 is a wasteful number, since it uses less digits than its factorization.

68951253486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318055.

The product of its digits is 12441600, while the sum is 57.

The spelling of 68951253486 in words is "sixty-eight billion, nine hundred fifty-one million, two hundred fifty-three thousand, four hundred eighty-six".