68230647438 has 16 divisors (see below), whose sum is σ = 137250090576. Its totient is φ = 22612083200.

The previous prime is 68230647431. The next prime is 68230647439. The reversal of 68230647438 is 83474603286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68230647431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32865363 + ... + 32867438.

It is an arithmetic number, because the mean of its divisors is an integer number (8578130661).

Almost surely, 2^68230647438 is an apocalyptic number.

68230647438 is an abundant number, since it is smaller than the sum of its proper divisors (69019443138).

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

68230647438 is a wasteful number, since it uses less digits than its factorization.

68230647438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65732979.

The product of its (nonzero) digits is 4644864, while the sum is 51.

The spelling of 68230647438 in words is "sixty-eight billion, two hundred thirty million, six hundred forty-seven thousand, four hundred thirty-eight".