99131592673 has 4 divisors (see below), whose sum is σ = 100386423040. Its totient is φ = 97876762308.

The previous prime is 99131592671. The next prime is 99131592683. The reversal of 99131592673 is 37629513199.

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.

It is a cyclic number.

It is not a de Polignac number, because 99131592673 - 2¹ = 99131592671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99131592671) 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, 627415065 + ... + 627415222.

It is an arithmetic number, because the mean of its divisors is an integer number (25096605760).

Almost surely, 2^99131592673 is an apocalyptic number.

It is an amenable number.

99131592673 is a deficient number, since it is larger than the sum of its proper divisors (1254830367).

99131592673 is a wasteful number, since it uses less digits than its factorization.

99131592673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254830366.

The product of its digits is 2755620, while the sum is 55.

The spelling of 99131592673 in words is "ninety-nine billion, one hundred thirty-one million, five hundred ninety-two thousand, six hundred seventy-three".