99638037093 has 32 divisors (see below), whose sum is σ = 153068838912. Its totient is φ = 56471688000.

The previous prime is 99638037053. The next prime is 99638037097. The reversal of 99638037093 is 39073083699.

It is not a de Polignac number, because 99638037093 - 2⁶ = 99638037029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99638037097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5886943 + ... + 5903843.

It is an arithmetic number, because the mean of its divisors is an integer number (4783401216).

Almost surely, 2^99638037093 is an apocalyptic number.

It is an amenable number.

99638037093 is a deficient number, since it is larger than the sum of its proper divisors (53430801819).

99638037093 is a wasteful number, since it uses less digits than its factorization.

99638037093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19185.

The product of its (nonzero) digits is 6613488, while the sum is 57.

The spelling of 99638037093 in words is "ninety-nine billion, six hundred thirty-eight million, thirty-seven thousand, ninety-three".