100090099957 has 2 divisors, whose sum is σ = 100090099958. Its totient is φ = 100090099956.

The previous prime is 100090099951. The next prime is 100090100101. The reversal of 100090099957 is 759990090001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50074803076 + 50015296881 = 223774^2 + 223641^2 .

It is a cyclic number.

It is not a de Polignac number, because 100090099957 - 2²³ = 100081711349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100090099957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100090099951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50045049978 + 50045049979.

It is an arithmetic number, because the mean of its divisors is an integer number (50045049979).

Almost surely, 2^100090099957 is an apocalyptic number.

It is an amenable number.

100090099957 is a deficient number, since it is larger than the sum of its proper divisors (1).

100090099957 is an equidigital number, since it uses as much as digits as its factorization.

100090099957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 229635, while the sum is 49.

The spelling of 100090099957 in words is "one hundred billion, ninety million, ninety-nine thousand, nine hundred fifty-seven".