9993952125 has 56 divisors (see below), whose sum is σ = 18700294392. Its totient is φ = 5330059200.

The previous prime is 9993952103. The next prime is 9993952169. The reversal of 9993952125 is 5212593999.

It is a happy number.

9993952125 is a `hidden beast` number, since 9 + 9 + 93 + 9 + 521 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1281783204 + 8712168921 = 35802^2 + 93339^2 .

It is not a de Polignac number, because 9993952125 - 2⁵ = 9993952093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 36289 + ... + 145961.

Almost surely, 2^9993952125 is an apocalyptic number.

It is an amenable number.

9993952125 is a deficient number, since it is larger than the sum of its proper divisors (8706342267).

9993952125 is an equidigital number, since it uses as much as digits as its factorization.

9993952125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109706 (or 109681 counting only the distinct ones).

The product of its digits is 1968300, while the sum is 54.

The square root of 9993952125 is about 99969.7560515179. The cubic root of 9993952125 is about 2154.0002773876. Note that the first 3 decimals are identical.

The spelling of 9993952125 in words is "nine billion, nine hundred ninety-three million, nine hundred fifty-two thousand, one hundred twenty-five".