6456419420399 has 8 divisors (see below), whose sum is σ = 6960487643760. Its totient is φ = 5953411279296.

The previous prime is 6456419420371. The next prime is 6456419420431. The reversal of 6456419420399 is 9930249146546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6456419420399 - 2²⁴ = 6456402643183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6456419420309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265007909 + ... + 265032270.

It is an arithmetic number, because the mean of its divisors is an integer number (870060955470).

Almost surely, 2^{6456419420399} is an apocalyptic number.

6456419420399 is a deficient number, since it is larger than the sum of its proper divisors (504068223361).

6456419420399 is a wasteful number, since it uses less digits than its factorization.

6456419420399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530041129.

The product of its (nonzero) digits is 50388480, while the sum is 62.

The spelling of 6456419420399 in words is "six trillion, four hundred fifty-six billion, four hundred nineteen million, four hundred twenty thousand, three hundred ninety-nine".