4721291610624 has 480 divisors, whose sum is σ = 14576916017664. Its totient is φ = 1467632517120.

The previous prime is 4721291610619. The next prime is 4721291610643. The reversal of 4721291610624 is 4260161921274.

4721291610624 is a `hidden beast` number, since 4 + 7 + 2 + 1 + 2 + 9 + 1 + 6 + 10 + 624 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4721291610624.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1399729002 + ... + 1399732374.

Almost surely, 2^{4721291610624} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4721291610624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7288458008832).

4721291610624 is an abundant number, since it is smaller than the sum of its proper divisors (9855624407040).

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

4721291610624 is a wasteful number, since it uses less digits than its factorization.

4721291610624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 3729 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 4721291610624 in words is "four trillion, seven hundred twenty-one billion, two hundred ninety-one million, six hundred ten thousand, six hundred twenty-four".