6466401819325 has 24 divisors (see below), whose sum is σ = 9459422097920. Its totient is φ = 4291068484800.

The previous prime is 6466401819281. The next prime is 6466401819433. The reversal of 6466401819325 is 5239181046646.

It is not a de Polignac number, because 6466401819325 - 2³⁷ = 6328962865853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 595976310 + ... + 595987159.

Almost surely, 2^{6466401819325} is an apocalyptic number.

It is an amenable number.

6466401819325 is a deficient number, since it is larger than the sum of its proper divisors (2993020278595).

6466401819325 is a wasteful number, since it uses less digits than its factorization.

6466401819325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191963517 (or 1191963512 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 6466401819325 in words is "six trillion, four hundred sixty-six billion, four hundred one million, eight hundred nineteen thousand, three hundred twenty-five".