88194493913 has 4 divisors (see below), whose sum is σ = 88195165668. Its totient is φ = 88193822160.

The previous prime is 88194493901. The next prime is 88194493967. The reversal of 88194493913 is 31939449188.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4816776409 + 83377717504 = 69403^2 + 288752^2 .

It is a cyclic number.

It is not a de Polignac number, because 88194493913 - 2²⁰ = 88193445337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88194493973) 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, 67418 + ... + 425363.

It is an arithmetic number, because the mean of its divisors is an integer number (22048791417).

Almost surely, 2^88194493913 is an apocalyptic number.

It is an amenable number.

88194493913 is a deficient number, since it is larger than the sum of its proper divisors (671755).

88194493913 is a wasteful number, since it uses less digits than its factorization.

88194493913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671754.

The product of its digits is 6718464, while the sum is 59.

The spelling of 88194493913 in words is "eighty-eight billion, one hundred ninety-four million, four hundred ninety-three thousand, nine hundred thirteen".