99100639871 has 2 divisors, whose sum is σ = 99100639872. Its totient is φ = 99100639870.

The previous prime is 99100639867. The next prime is 99100639889. The reversal of 99100639871 is 17893600199.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99100639871 - 2² = 99100639867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99100639861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49550319935 + 49550319936.

It is an arithmetic number, because the mean of its divisors is an integer number (49550319936).

Almost surely, 2^99100639871 is an apocalyptic number.

99100639871 is a deficient number, since it is larger than the sum of its proper divisors (1).

99100639871 is an equidigital number, since it uses as much as digits as its factorization.

99100639871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 99100639871 in words is "ninety-nine billion, one hundred million, six hundred thirty-nine thousand, eight hundred seventy-one".