4940823621 has 16 divisors (see below), whose sum is σ = 6668748800. Its totient is φ = 3253618368.

The previous prime is 4940823619. The next prime is 4940823647. The reversal of 4940823621 is 1263280494.

It is not a de Polignac number, because 4940823621 - 2¹ = 4940823619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4940823621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4940823691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58935 + ... + 115563.

It is an arithmetic number, because the mean of its divisors is an integer number (416796800).

Almost surely, 2^4940823621 is an apocalyptic number.

It is an amenable number.

4940823621 is a deficient number, since it is larger than the sum of its proper divisors (1727925179).

4940823621 is a wasteful number, since it uses less digits than its factorization.

4940823621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56988.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 4940823621 is about 70290.9924599162. The cubic root of 4940823621 is about 1703.2031443430.

The spelling of 4940823621 in words is "four billion, nine hundred forty million, eight hundred twenty-three thousand, six hundred twenty-one".