4902748644 has 12 divisors (see below), whose sum is σ = 11439746864. Its totient is φ = 1634249544.

The previous prime is 4902748637. The next prime is 4902748649. The reversal of 4902748644 is 4468472094.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4902748593 and 4902748602.

It is not an unprimeable number, because it can be changed into a prime (4902748649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204281182 + ... + 204281205.

Almost surely, 2^4902748644 is an apocalyptic number.

It is an amenable number.

4902748644 is an abundant number, since it is smaller than the sum of its proper divisors (6536998220).

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

4902748644 is a wasteful number, since it uses less digits than its factorization.

4902748644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408562394 (or 408562392 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 48.

The square root of 4902748644 is about 70019.6304189047. The cubic root of 4902748644 is about 1698.8167826574.

The spelling of 4902748644 in words is "four billion, nine hundred two million, seven hundred forty-eight thousand, six hundred forty-four".