6344671404625 has 16 divisors (see below), whose sum is σ = 7918683763536. Its totient is φ = 5075394912000.

The previous prime is 6344671404601. The next prime is 6344671404679. The reversal of 6344671404625 is 5264041764436.

It can be written as a sum of positive squares in 8 ways, for example, as 1944376459281 + 4400294945344 = 1394409^2 + 2097688^2 .

It is not a de Polignac number, because 6344671404625 - 2¹⁷ = 6344671273553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158515 + ... + 3565735.

It is an arithmetic number, because the mean of its divisors is an integer number (494917735221).

Almost surely, 2^{6344671404625} is an apocalyptic number.

It is an amenable number.

6344671404625 is a deficient number, since it is larger than the sum of its proper divisors (1574012358911).

6344671404625 is a wasteful number, since it uses less digits than its factorization.

6344671404625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422133 (or 3422123 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 6344671404625 in words is "six trillion, three hundred forty-four billion, six hundred seventy-one million, four hundred four thousand, six hundred twenty-five".