3946624474939 has 4 divisors (see below), whose sum is σ = 3946632374160. Its totient is φ = 3946616575720.

The previous prime is 3946624474889. The next prime is 3946624474957. The reversal of 3946624474939 is 9394744266493.

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 3946624474939 - 2²⁵ = 3946590920507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946624474979) 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, 3145624 + ... + 4217605.

It is an arithmetic number, because the mean of its divisors is an integer number (986658093540).

Almost surely, 2^{3946624474939} is an apocalyptic number.

3946624474939 is a deficient number, since it is larger than the sum of its proper divisors (7899221).

3946624474939 is an equidigital number, since it uses as much as digits as its factorization.

3946624474939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7899220.

The product of its digits is 846526464, while the sum is 70.

The spelling of 3946624474939 in words is "three trillion, nine hundred forty-six billion, six hundred twenty-four million, four hundred seventy-four thousand, nine hundred thirty-nine".