3921096789 has 16 divisors (see below), whose sum is σ = 5817873600. Its totient is φ = 2610085968.

The previous prime is 3921096743. The next prime is 3921096799. The reversal of 3921096789 is 9876901293.

It is not a de Polignac number, because 3921096789 - 2⁷ = 3921096661 is a prime.

It is a super-2 number, since 2×3921096789² = 30750000057412221042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3921096799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92394 + ... + 127979.

It is an arithmetic number, because the mean of its divisors is an integer number (363617100).

Almost surely, 2^3921096789 is an apocalyptic number.

It is an amenable number.

3921096789 is a deficient number, since it is larger than the sum of its proper divisors (1896776811).

3921096789 is a wasteful number, since it uses less digits than its factorization.

3921096789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221041 (or 221035 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 3921096789 is about 62618.6616672698. The cubic root of 3921096789 is about 1576.8940732281.

The spelling of 3921096789 in words is "three billion, nine hundred twenty-one million, ninety-six thousand, seven hundred eighty-nine".