3642656064 has 56 divisors (see below), whose sum is σ = 9655088640. Its totient is φ = 1212048384.

The previous prime is 3642656051. The next prime is 3642656077. The reversal of 3642656064 is 4606562463.

It is an interprime number because it is at equal distance from previous prime (3642656051) and next prime (3642656077).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92577 + ... + 125919.

Almost surely, 2^3642656064 is an apocalyptic number.

It is an amenable number.

3642656064 is an abundant number, since it is smaller than the sum of its proper divisors (6012432576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3642656064 is a wasteful number, since it uses less digits than its factorization.

3642656064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33927 (or 33917 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The square root of 3642656064 is about 60354.4204180605. The cubic root of 3642656064 is about 1538.6483986242.

The spelling of 3642656064 in words is "three billion, six hundred forty-two million, six hundred fifty-six thousand, sixty-four".