3926863899 has 48 divisors (see below), whose sum is σ = 6982569984. Its totient is φ = 2077099200.

The previous prime is 3926863789. The next prime is 3926863907. The reversal of 3926863899 is 9983686293.

It is not a de Polignac number, because 3926863899 - 2¹³ = 3926855707 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (3926868899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1209 + ... + 88629.

It is an arithmetic number, because the mean of its divisors is an integer number (145470208).

Almost surely, 2^3926863899 is an apocalyptic number.

3926863899 is a deficient number, since it is larger than the sum of its proper divisors (3055706085).

3926863899 is a wasteful number, since it uses less digits than its factorization.

3926863899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87488 (or 87485 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The square root of 3926863899 is about 62664.6941985677. The cubic root of 3926863899 is about 1577.6667878700. Note that the first 3 decimals are identical.

The spelling of 3926863899 in words is "three billion, nine hundred twenty-six million, eight hundred sixty-three thousand, eight hundred ninety-nine".