4921491824 has 80 divisors (see below), whose sum is σ = 9899366400. Its totient is φ = 2368972032.

The previous prime is 4921491803. The next prime is 4921491833. The reversal of 4921491824 is 4281941294.

Together with 4977874575 it forms a betrothed pair.

It is a super-3 number, since 3×4921491824³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20591897 + ... + 20592135.

It is an arithmetic number, because the mean of its divisors is an integer number (123742080).

Almost surely, 2^4921491824 is an apocalyptic number.

It is an amenable number.

4921491824 is an abundant number, since it is smaller than the sum of its proper divisors (4977874576).

4921491824 is a wasteful number, since it uses less digits than its factorization.

4921491824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its digits is 165888, while the sum is 44.

The square root of 4921491824 is about 70153.3450663616. The cubic root of 4921491824 is about 1700.9788853700.

The spelling of 4921491824 in words is "four billion, nine hundred twenty-one million, four hundred ninety-one thousand, eight hundred twenty-four".