68459403400234 has 96 divisors (see below), whose sum is σ = 130104989997696. Its totient is φ = 26246575111680.

The previous prime is 68459403400183. The next prime is 68459403400247. The reversal of 68459403400234 is 43200430495486.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 658762662 + ... + 658866574.

It is an arithmetic number, because the mean of its divisors is an integer number (1355260312476).

Almost surely, 2^{68459403400234} is an apocalyptic number.

68459403400234 is a deficient number, since it is larger than the sum of its proper divisors (61645586597462).

68459403400234 is a wasteful number, since it uses less digits than its factorization.

68459403400234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105020 (or 104953 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 68459403400234 in words is "sixty-eight trillion, four hundred fifty-nine billion, four hundred three million, four hundred thousand, two hundred thirty-four".