99913056601 has 2 divisors, whose sum is σ = 99913056602. Its totient is φ = 99913056600.

The previous prime is 99913056571. The next prime is 99913056629. The reversal of 99913056601 is 10665031999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76953534025 + 22959522576 = 277405^2 + 151524^2 .

It is a cyclic number.

It is not a de Polignac number, because 99913056601 - 2⁵ = 99913056569 is a prime.

It is not a weakly prime, because it can be changed into another prime (99913056641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956528300 + 49956528301.

It is an arithmetic number, because the mean of its divisors is an integer number (49956528301).

Almost surely, 2^99913056601 is an apocalyptic number.

It is an amenable number.

99913056601 is a deficient number, since it is larger than the sum of its proper divisors (1).

99913056601 is an equidigital number, since it uses as much as digits as its factorization.

99913056601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 49.

The spelling of 99913056601 in words is "ninety-nine billion, nine hundred thirteen million, fifty-six thousand, six hundred one".