4721873865 has 8 divisors (see below), whose sum is σ = 7554998208. Its totient is φ = 2518332720.

The previous prime is 4721873857. The next prime is 4721873887. The reversal of 4721873865 is 5683781274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4721873865 - 2³ = 4721873857 is a prime.

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, 157395781 + ... + 157395810.

It is an arithmetic number, because the mean of its divisors is an integer number (944374776).

Almost surely, 2^4721873865 is an apocalyptic number.

It is an amenable number.

4721873865 is a deficient number, since it is larger than the sum of its proper divisors (2833124343).

4721873865 is a wasteful number, since it uses less digits than its factorization.

4721873865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314791599.

The product of its digits is 2257920, while the sum is 51.

The square root of 4721873865 is about 68715.8923757816. The cubic root of 4721873865 is about 1677.6632602966.

The spelling of 4721873865 in words is "four billion, seven hundred twenty-one million, eight hundred seventy-three thousand, eight hundred sixty-five".