3929446873 has 4 divisors (see below), whose sum is σ = 4286669328. Its totient is φ = 3572224420.

The previous prime is 3929446853. The next prime is 3929446883. The reversal of 3929446873 is 3786449293.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-3929446873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3929446813) 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, 178611211 + ... + 178611232.

It is an arithmetic number, because the mean of its divisors is an integer number (1071667332).

Almost surely, 2^3929446873 is an apocalyptic number.

It is an amenable number.

3929446873 is a deficient number, since it is larger than the sum of its proper divisors (357222455).

3929446873 is a wasteful number, since it uses less digits than its factorization.

3929446873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357222454.

The product of its digits is 7838208, while the sum is 55.

The square root of 3929446873 is about 62685.3002944071. The cubic root of 3929446873 is about 1578.0126261129.

The spelling of 3929446873 in words is "three billion, nine hundred twenty-nine million, four hundred forty-six thousand, eight hundred seventy-three".