68081963530 has 32 divisors (see below), whose sum is σ = 141339242880. Its totient is φ = 23128234560.

The previous prime is 68081963527. The next prime is 68081963549. The reversal of 68081963530 is 3536918086.

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, 4453836 + ... + 4469095.

It is an arithmetic number, because the mean of its divisors is an integer number (4416851340).

Almost surely, 2^68081963530 is an apocalyptic number.

68081963530 is an abundant number, since it is smaller than the sum of its proper divisors (73257279350).

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

68081963530 is a wasteful number, since it uses less digits than its factorization.

68081963530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923054.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 68081963530 in words is "sixty-eight billion, eighty-one million, nine hundred sixty-three thousand, five hundred thirty".