4972631665 has 16 divisors (see below), whose sum is σ = 6320239488. Its totient is φ = 3742871296.

The previous prime is 4972631639. The next prime is 4972631669. The reversal of 4972631665 is 5661362794.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4972631665 - 2⁵ = 4972631633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4972631669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315564 + ... + 330946.

It is an arithmetic number, because the mean of its divisors is an integer number (395014968).

Almost surely, 2^4972631665 is an apocalyptic number.

It is an amenable number.

4972631665 is a deficient number, since it is larger than the sum of its proper divisors (1347607823).

4972631665 is a wasteful number, since it uses less digits than its factorization.

4972631665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19208.

The product of its digits is 1632960, while the sum is 49.

The square root of 4972631665 is about 70516.8892181157. The cubic root of 4972631665 is about 1706.8502904837.

The spelling of 4972631665 in words is "four billion, nine hundred seventy-two million, six hundred thirty-one thousand, six hundred sixty-five".