68513707713 has 16 divisors (see below), whose sum is σ = 99838515456. Its totient is φ = 41447537040.

The previous prime is 68513707679. The next prime is 68513707783. The reversal of 68513707713 is 31770731586.

It is not a de Polignac number, because 68513707713 - 2⁹ = 68513707201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68513707783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879731 + ... + 1915832.

It is an arithmetic number, because the mean of its divisors is an integer number (6239907216).

Almost surely, 2^68513707713 is an apocalyptic number.

It is an amenable number.

68513707713 is a deficient number, since it is larger than the sum of its proper divisors (31324807743).

68513707713 is a wasteful number, since it uses less digits than its factorization.

68513707713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796124.

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 68513707713 in words is "sixty-eight billion, five hundred thirteen million, seven hundred seven thousand, seven hundred thirteen".