3642664553 has 16 divisors (see below), whose sum is σ = 4204032000. Its totient is φ = 3121422480.

The previous prime is 3642664549. The next prime is 3642664573. The reversal of 3642664553 is 3554662463.

It is not a de Polignac number, because 3642664553 - 2² = 3642664549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3642664513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2201 + ... + 85382.

It is an arithmetic number, because the mean of its divisors is an integer number (262752000).

Almost surely, 2^3642664553 is an apocalyptic number.

It is an amenable number.

3642664553 is a deficient number, since it is larger than the sum of its proper divisors (561367447).

3642664553 is a wasteful number, since it uses less digits than its factorization.

3642664553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87812.

The product of its digits is 1555200, while the sum is 44.

The square root of 3642664553 is about 60354.4907442686. The cubic root of 3642664553 is about 1538.6495938671.

The spelling of 3642664553 in words is "three billion, six hundred forty-two million, six hundred sixty-four thousand, five hundred fifty-three".