99926905973 has 2 divisors, whose sum is σ = 99926905974. Its totient is φ = 99926905972.

The previous prime is 99926905963. The next prime is 99926906099. The reversal of 99926905973 is 37950962999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96498452164 + 3428453809 = 310642^2 + 58553^2 .

It is a cyclic number.

It is not a de Polignac number, because 99926905973 - 2³⁴ = 82747036789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99926905963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49963452986 + 49963452987.

It is an arithmetic number, because the mean of its divisors is an integer number (49963452987).

Almost surely, 2^99926905973 is an apocalyptic number.

It is an amenable number.

99926905973 is a deficient number, since it is larger than the sum of its proper divisors (1).

99926905973 is an equidigital number, since it uses as much as digits as its factorization.

99926905973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 74401740, while the sum is 68.

The spelling of 99926905973 in words is "ninety-nine billion, nine hundred twenty-six million, nine hundred five thousand, nine hundred seventy-three".