4921423680 has 56 divisors (see below), whose sum is σ = 15625523232. Its totient is φ = 1312379392.

The previous prime is 4921423679. The next prime is 4921423729. The reversal of 4921423680 is 863241294.

It is a super-2 number, since 2×4921423680² = 48440822076129484800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2562282 + ... + 2564201.

Almost surely, 2^4921423680 is an apocalyptic number.

4921423680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4921423680 is an abundant number, since it is smaller than the sum of its proper divisors (10704099552).

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

4921423680 is a wasteful number, since it uses less digits than its factorization.

4921423680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126503 (or 5126493 counting only the distinct ones).

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

The square root of 4921423680 is about 70152.8593857727. The cubic root of 4921423680 is about 1700.9710346312.

The spelling of 4921423680 in words is "four billion, nine hundred twenty-one million, four hundred twenty-three thousand, six hundred eighty".