99410937025 has 9 divisors (see below), whose sum is σ = 123271516771. Its totient is φ = 79527488440.

The previous prime is 99410937023. The next prime is 99410937079. The reversal of 99410937025 is 52073901499.

The square root of 99410937025 is 315295.

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

It can be written as a sum of positive squares in only one way, i.e., 35787937329 + 63622999696 = 189177^2 + 252236^2 .

It is not a de Polignac number, because 99410937025 - 2¹ = 99410937023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99410937025.

It is not an unprimeable number, because it can be changed into a prime (99410937023) 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, 1544946 + ... + 1608004.

Almost surely, 2^99410937025 is an apocalyptic number.

99410937025 is the 315295-th square number.

99410937025 is the 157648-th centered octagonal number.

It is an amenable number.

99410937025 is a deficient number, since it is larger than the sum of its proper divisors (23860579746).

99410937025 is an frugal number, since it uses more digits than its factorization.

99410937025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126128 (or 63064 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 49.

Multiplying 99410937025 by its sum of digits (49), we get a square (4871135914225 = 2207065²).

The spelling of 99410937025 in words is "ninety-nine billion, four hundred ten million, nine hundred thirty-seven thousand, twenty-five".