6653900025 has 36 divisors (see below), whose sum is σ = 11926736640. Its totient is φ = 3546108000.

The previous prime is 6653900021. The next prime is 6653900051. The reversal of 6653900025 is 5200093566.

It is not a de Polignac number, because 6653900025 - 2² = 6653900021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6653900021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 313500 + ... + 334050.

It is an arithmetic number, because the mean of its divisors is an integer number (331298240).

Almost surely, 2^6653900025 is an apocalyptic number.

It is an amenable number.

6653900025 is a deficient number, since it is larger than the sum of its proper divisors (5272836615).

6653900025 is a wasteful number, since it uses less digits than its factorization.

6653900025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22006 (or 21998 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 6653900025 is about 81571.4412340496. The cubic root of 6653900025 is about 1880.8699030837.

The spelling of 6653900025 in words is "six billion, six hundred fifty-three million, nine hundred thousand, twenty-five".