4637976646 has 32 divisors (see below), whose sum is σ = 7521212160. Its totient is φ = 2137889376.

The previous prime is 4637976643. The next prime is 4637976647. The reversal of 4637976646 is 6466797364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4637976643) 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, 447495 + ... + 457741.

It is an arithmetic number, because the mean of its divisors is an integer number (235037880).

Almost surely, 2^4637976646 is an apocalyptic number.

4637976646 is a deficient number, since it is larger than the sum of its proper divisors (2883235514).

4637976646 is a wasteful number, since it uses less digits than its factorization.

4637976646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10588.

The product of its digits is 27433728, while the sum is 58.

The square root of 4637976646 is about 68102.6919144904. The cubic root of 4637976646 is about 1667.6677072614.

The spelling of 4637976646 in words is "four billion, six hundred thirty-seven million, nine hundred seventy-six thousand, six hundred forty-six".