93934088639 has 4 divisors (see below), whose sum is σ = 93937617720. Its totient is φ = 93930559560.

The previous prime is 93934088603. The next prime is 93934088669. The reversal of 93934088639 is 93688043939.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93934088639 is a prime.

It is a super-2 number, since 2×93934088639² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93934088669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724309 + ... + 1777950.

It is an arithmetic number, because the mean of its divisors is an integer number (23484404430).

Almost surely, 2^93934088639 is an apocalyptic number.

93934088639 is a deficient number, since it is larger than the sum of its proper divisors (3529081).

93934088639 is a wasteful number, since it uses less digits than its factorization.

93934088639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529080.

The product of its (nonzero) digits is 30233088, while the sum is 62.

The spelling of 93934088639 in words is "ninety-three billion, nine hundred thirty-four million, eighty-eight thousand, six hundred thirty-nine".