3899722995 has 128 divisors (see below), whose sum is σ = 8169154560. Its totient is φ = 1728000000.

The previous prime is 3899722969. The next prime is 3899723017. The reversal of 3899722995 is 5992279983.

3899722995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3899722995 - 2⁹ = 3899722483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9724795 + ... + 9725195.

It is an arithmetic number, because the mean of its divisors is an integer number (63821520).

Almost surely, 2^3899722995 is an apocalyptic number.

3899722995 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3899722995 is an abundant number, since it is smaller than the sum of its proper divisors (4269431565).

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

3899722995 is a wasteful number, since it uses less digits than its factorization.

3899722995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 708 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The square root of 3899722995 is about 62447.7621296392. The cubic root of 3899722995 is about 1574.0236488479.

The spelling of 3899722995 in words is "three billion, eight hundred ninety-nine million, seven hundred twenty-two thousand, nine hundred ninety-five".