6404057172425 has 12 divisors (see below), whose sum is σ = 8662942793616. Its totient is φ = 4657496125200.

The previous prime is 6404057172421. The next prime is 6404057172431. The reversal of 6404057172425 is 5242717504046.

It is not a de Polignac number, because 6404057172425 - 2² = 6404057172421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6404057172425.

It is not an unprimeable number, because it can be changed into a prime (6404057172421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11643740039 + ... + 11643740588.

It is an arithmetic number, because the mean of its divisors is an integer number (721911899468).

Almost surely, 2^{6404057172425} is an apocalyptic number.

It is an amenable number.

6404057172425 is a deficient number, since it is larger than the sum of its proper divisors (2258885621191).

6404057172425 is a wasteful number, since it uses less digits than its factorization.

6404057172425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23287480648 (or 23287480643 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 47.

The spelling of 6404057172425 in words is "six trillion, four hundred four billion, fifty-seven million, one hundred seventy-two thousand, four hundred twenty-five".