3946495672555 has 4 divisors (see below), whose sum is σ = 4735794807072. Its totient is φ = 3157196538040.

The previous prime is 3946495672549. The next prime is 3946495672571. The reversal of 3946495672555 is 5552765946493.

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

It is not a de Polignac number, because 3946495672555 - 2³³ = 3937905737963 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394649567251 + ... + 394649567260.

It is an arithmetic number, because the mean of its divisors is an integer number (1183948701768).

Almost surely, 2^{3946495672555} is an apocalyptic number.

3946495672555 is a deficient number, since it is larger than the sum of its proper divisors (789299134517).

3946495672555 is an equidigital number, since it uses as much as digits as its factorization.

3946495672555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789299134516.

The product of its digits is 1224720000, while the sum is 70.

The spelling of 3946495672555 in words is "three trillion, nine hundred forty-six billion, four hundred ninety-five million, six hundred seventy-two thousand, five hundred fifty-five".