3929425031 has 4 divisors (see below), whose sum is σ = 4490771472. Its totient is φ = 3368078592.

The previous prime is 3929425009. The next prime is 3929425061. The reversal of 3929425031 is 1305249293.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3929425031 - 2²⁶ = 3862316167 is a prime.

It is a super-2 number, since 2×3929425031² = 30880762148498701922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929425061) 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, 280673210 + ... + 280673223.

It is an arithmetic number, because the mean of its divisors is an integer number (1122692868).

Almost surely, 2^3929425031 is an apocalyptic number.

3929425031 is a deficient number, since it is larger than the sum of its proper divisors (561346441).

3929425031 is an equidigital number, since it uses as much as digits as its factorization.

3929425031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561346440.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 3929425031 is about 62685.1260746918. The cubic root of 3929425031 is about 1578.0097022904.

The spelling of 3929425031 in words is "three billion, nine hundred twenty-nine million, four hundred twenty-five thousand, thirty-one".