3929692889 has 4 divisors (see below), whose sum is σ = 4013303424. Its totient is φ = 3846082356.

The previous prime is 3929692873. The next prime is 3929692931. The reversal of 3929692889 is 9882969293.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3929692889 - 2⁴ = 3929692873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3929692829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41805197 + ... + 41805290.

It is an arithmetic number, because the mean of its divisors is an integer number (1003325856).

Almost surely, 2^3929692889 is an apocalyptic number.

It is an amenable number.

3929692889 is a deficient number, since it is larger than the sum of its proper divisors (83610535).

3929692889 is an equidigital number, since it uses as much as digits as its factorization.

3929692889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83610534.

The product of its digits is 30233088, while the sum is 65.

The square root of 3929692889 is about 62687.2625738275. The cubic root of 3929692889 is about 1578.0455576565.

The spelling of 3929692889 in words is "three billion, nine hundred twenty-nine million, six hundred ninety-two thousand, eight hundred eighty-nine".