99634291201 has 9 divisors (see below), whose sum is σ = 100875692449. Its totient is φ = 98407994836.

The previous prime is 99634291171. The next prime is 99634291213. The reversal of 99634291201 is 10219243699.

The square root of 99634291201 is 315649.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 99634291201 - 2⁹ = 99634290689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99634291241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26196966 + ... + 26200768.

Almost surely, 2^99634291201 is an apocalyptic number.

99634291201 is the 315649-th square number.

99634291201 is the 157825-th centered octagonal number.

It is an amenable number.

99634291201 is a deficient number, since it is larger than the sum of its proper divisors (1241401248).

99634291201 is an frugal number, since it uses more digits than its factorization.

99634291201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7772 (or 3886 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 99634291201 in words is "ninety-nine billion, six hundred thirty-four million, two hundred ninety-one thousand, two hundred one".