3664620253 has 4 divisors (see below), whose sum is σ = 4188137440. Its totient is φ = 3141103068.

The previous prime is 3664620241. The next prime is 3664620263. The reversal of 3664620253 is 3520264663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3664620253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664620203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261758583 + ... + 261758596.

It is an arithmetic number, because the mean of its divisors is an integer number (1047034360).

Almost surely, 2^3664620253 is an apocalyptic number.

It is an amenable number.

3664620253 is a deficient number, since it is larger than the sum of its proper divisors (523517187).

3664620253 is an equidigital number, since it uses as much as digits as its factorization.

3664620253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523517186.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 3664620253 is about 60536.1070188693. The cubic root of 3664620253 is about 1541.7347423217.

The spelling of 3664620253 in words is "three billion, six hundred sixty-four million, six hundred twenty thousand, two hundred fifty-three".