93639693639 has 8 divisors (see below), whose sum is σ = 124938858352. Its totient is φ = 62383495680.

The previous prime is 93639693577. The next prime is 93639693671.

93639693639 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 93639693639 - 2⁹ = 93639693127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93639693639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93639693239) 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, 10736602 + ... + 10745319.

It is an arithmetic number, because the mean of its divisors is an integer number (15617357294).

Almost surely, 2^93639693639 is an apocalyptic number.

93639693639 is a deficient number, since it is larger than the sum of its proper divisors (31299164713).

93639693639 is a wasteful number, since it uses less digits than its factorization.

93639693639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21483377.

The product of its digits is 114791256, while the sum is 66.

The spelling of 93639693639 in words is "ninety-three billion, six hundred thirty-nine million, six hundred ninety-three thousand, six hundred thirty-nine".