3655839600625 has 15 divisors (see below), whose sum is σ = 4568396897383. Its totient is φ = 2924633440000.

The previous prime is 3655839600613. The next prime is 3655839600643. The reversal of 3655839600625 is 5260069385563.

The square root of 3655839600625 is 1912025.

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

3655839600625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 3453029882289 + 202809718336 = 1858233^2 + 450344^2 .

It is not a de Polignac number, because 3655839600625 - 2¹¹ = 3655839598577 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 3655839600625.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 47762385 + ... + 47838865.

Almost surely, 2^{3655839600625} is an apocalyptic number.

3655839600625 is the 1912025-th square number.

3655839600625 is the 956013-rd centered octagonal number.

It is an amenable number.

3655839600625 is a deficient number, since it is larger than the sum of its proper divisors (912557296758).

3655839600625 is an frugal number, since it uses more digits than its factorization.

3655839600625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152982 (or 76486 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 58.

The spelling of 3655839600625 in words is "three trillion, six hundred fifty-five billion, eight hundred thirty-nine million, six hundred thousand, six hundred twenty-five".