3642862665 has 32 divisors (see below), whose sum is σ = 6383341440. Its totient is φ = 1763006976.

The previous prime is 3642862633. The next prime is 3642862681. The reversal of 3642862665 is 5662682463.

It is not a de Polignac number, because 3642862665 - 2⁵ = 3642862633 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146812 + ... + 169821.

It is an arithmetic number, because the mean of its divisors is an integer number (199479420).

Almost surely, 2^3642862665 is an apocalyptic number.

It is an amenable number.

3642862665 is a deficient number, since it is larger than the sum of its proper divisors (2740478775).

3642862665 is a wasteful number, since it uses less digits than its factorization.

3642862665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316713.

The product of its digits is 2488320, while the sum is 48.

The square root of 3642862665 is about 60356.1319585674. The cubic root of 3642862665 is about 1538.6774873151.

The spelling of 3642862665 in words is "three billion, six hundred forty-two million, eight hundred sixty-two thousand, six hundred sixty-five".