99971914183 has 2 divisors, whose sum is σ = 99971914184. Its totient is φ = 99971914182.

The previous prime is 99971914177. The next prime is 99971914213. The reversal of 99971914183 is 38141917999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99971914183 - 2²⁵ = 99938359751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99971914583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49985957091 + 49985957092.

It is an arithmetic number, because the mean of its divisors is an integer number (49985957092).

Almost surely, 2^99971914183 is an apocalyptic number.

99971914183 is a deficient number, since it is larger than the sum of its proper divisors (1).

99971914183 is an equidigital number, since it uses as much as digits as its factorization.

99971914183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 61.

The spelling of 99971914183 in words is "ninety-nine billion, nine hundred seventy-one million, nine hundred fourteen thousand, one hundred eighty-three".