4972656820 has 48 divisors (see below), whose sum is σ = 11147068800. Its totient is φ = 1857824640.

The previous prime is 4972656809. The next prime is 4972656827. The reversal of 4972656820 is 286562794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972656827) 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, 65175 + ... + 119134.

It is an arithmetic number, because the mean of its divisors is an integer number (232230600).

Almost surely, 2^4972656820 is an apocalyptic number.

It is an amenable number.

4972656820 is an abundant number, since it is smaller than the sum of its proper divisors (6174411980).

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

4972656820 is a wasteful number, since it uses less digits than its factorization.

4972656820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184408 (or 184406 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 4972656820 is about 70517.0675794165. The cubic root of 4972656820 is about 1706.8531686207.

The spelling of 4972656820 in words is "four billion, nine hundred seventy-two million, six hundred fifty-six thousand, eight hundred twenty".