4721240851 has 16 divisors (see below), whose sum is σ = 4921792128. Its totient is φ = 4525516800.

The previous prime is 4721240831. The next prime is 4721240873. The reversal of 4721240851 is 1580421274.

4721240851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4721240851 - 2⁷ = 4721240723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4721240831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 687531 + ... + 694363.

It is an arithmetic number, because the mean of its divisors is an integer number (307612008).

Almost surely, 2^4721240851 is an apocalyptic number.

4721240851 is a deficient number, since it is larger than the sum of its proper divisors (200551277).

4721240851 is a wasteful number, since it uses less digits than its factorization.

4721240851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 4721240851 is about 68711.2861981203. The cubic root of 4721240851 is about 1677.5882878159.

The spelling of 4721240851 in words is "four billion, seven hundred twenty-one million, two hundred forty thousand, eight hundred fifty-one".