99037958993 has 4 divisors (see below), whose sum is σ = 99048239088. Its totient is φ = 99027678900.

The previous prime is 99037958989. The next prime is 99037959011. The reversal of 99037958993 is 39985973099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39985973099 = 154991 ⋅257989.

It is a cyclic number.

It is not a de Polignac number, because 99037958993 - 2² = 99037958989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99037958963) 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, 5125583 + ... + 5144868.

It is an arithmetic number, because the mean of its divisors is an integer number (24762059772).

Almost surely, 2^99037958993 is an apocalyptic number.

It is an amenable number.

99037958993 is a deficient number, since it is larger than the sum of its proper divisors (10280095).

99037958993 is a wasteful number, since it uses less digits than its factorization.

99037958993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10280094.

The product of its (nonzero) digits is 148803480, while the sum is 71.

The spelling of 99037958993 in words is "ninety-nine billion, thirty-seven million, nine hundred fifty-eight thousand, nine hundred ninety-three".