68308314462145 has 16 divisors (see below), whose sum is σ = 82300093742592. Its totient is φ = 54426667128640.

The previous prime is 68308314462139. The next prime is 68308314462191. The reversal of 68308314462145 is 54126441380386.

It is not a de Polignac number, because 68308314462145 - 2³ = 68308314462137 is a prime.

It is a Duffinian number.

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, 49275 + ... + 11688415.

It is an arithmetic number, because the mean of its divisors is an integer number (5143755858912).

Almost surely, 2^{68308314462145} is an apocalyptic number.

It is an amenable number.

68308314462145 is a deficient number, since it is larger than the sum of its proper divisors (13991779280447).

68308314462145 is a wasteful number, since it uses less digits than its factorization.

68308314462145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11643872.

The product of its (nonzero) digits is 13271040, while the sum is 55.

The spelling of 68308314462145 in words is "sixty-eight trillion, three hundred eight billion, three hundred fourteen million, four hundred sixty-two thousand, one hundred forty-five".