68436718401 has 8 divisors (see below), whose sum is σ = 91510417600. Its totient is φ = 45493749072.

The previous prime is 68436718397. The next prime is 68436718409. The reversal of 68436718401 is 10481763486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68436718401 - 2² = 68436718397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68436718409) 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, 32681245 + ... + 32683338.

It is an arithmetic number, because the mean of its divisors is an integer number (11438802200).

Almost surely, 2^68436718401 is an apocalyptic number.

It is an amenable number.

68436718401 is a deficient number, since it is larger than the sum of its proper divisors (23073699199).

68436718401 is a wasteful number, since it uses less digits than its factorization.

68436718401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65364935.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 68436718401 in words is "sixty-eight billion, four hundred thirty-six million, seven hundred eighteen thousand, four hundred one".