4921884031644 has 48 divisors (see below), whose sum is σ = 12831727507200. Its totient is φ = 1631462484528.

The previous prime is 4921884031567. The next prime is 4921884031679. The reversal of 4921884031644 is 4461304881294.

4921884031644 is a `hidden beast` number, since 4 + 9 + 2 + 188 + 403 + 16 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127279552 + ... + 127318215.

It is an arithmetic number, because the mean of its divisors is an integer number (267327656400).

Almost surely, 2^{4921884031644} is an apocalyptic number.

It is an amenable number.

4921884031644 is an abundant number, since it is smaller than the sum of its proper divisors (7909843475556).

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

4921884031644 is a wasteful number, since it uses less digits than its factorization.

4921884031644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254597959 (or 254597951 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 4921884031644 in words is "four trillion, nine hundred twenty-one billion, eight hundred eighty-four million, thirty-one thousand, six hundred forty-four".