93680608639 has 2 divisors, whose sum is σ = 93680608640. Its totient is φ = 93680608638.

The previous prime is 93680608603. The next prime is 93680608661.

93680608639 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93680608639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93680608699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46840304319 + 46840304320.

It is an arithmetic number, because the mean of its divisors is an integer number (46840304320).

Almost surely, 2^93680608639 is an apocalyptic number.

93680608639 is a deficient number, since it is larger than the sum of its proper divisors (1).

93680608639 is an equidigital number, since it uses as much as digits as its factorization.

93680608639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10077696, while the sum is 58.

The spelling of 93680608639 in words is "ninety-three billion, six hundred eighty million, six hundred eight thousand, six hundred thirty-nine".