3655140465625 has 24 divisors (see below), whose sum is σ = 4983963505920. Its totient is φ = 2658283950000.

The previous prime is 3655140465623. The next prime is 3655140465631. The reversal of 3655140465625 is 5265640415563.

It is not a de Polignac number, because 3655140465625 - 2¹ = 3655140465623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3655140465623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53131305 + ... + 53200054.

It is an arithmetic number, because the mean of its divisors is an integer number (207665146080).

Almost surely, 2^{3655140465625} is an apocalyptic number.

It is an amenable number.

3655140465625 is a deficient number, since it is larger than the sum of its proper divisors (1328823040295).

3655140465625 is an equidigital number, since it uses as much as digits as its factorization.

3655140465625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106331395 (or 106331375 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 3655140465625 in words is "three trillion, six hundred fifty-five billion, one hundred forty million, four hundred sixty-five thousand, six hundred twenty-five".