93665056639 has 8 divisors (see below), whose sum is σ = 116777213568. Its totient is φ = 72985758360.

The previous prime is 93665056619. The next prime is 93665056649.

93665056639 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 93665056639 - 2²¹ = 93662959487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93665056619) 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, 608214577 + ... + 608214730.

It is an arithmetic number, because the mean of its divisors is an integer number (14597151696).

Almost surely, 2^93665056639 is an apocalyptic number.

93665056639 is a deficient number, since it is larger than the sum of its proper divisors (23112156929).

93665056639 is a wasteful number, since it uses less digits than its factorization.

93665056639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216429325.

The product of its (nonzero) digits is 23619600, while the sum is 58.

The spelling of 93665056639 in words is "ninety-three billion, six hundred sixty-five million, fifty-six thousand, six hundred thirty-nine".