6456504997 has 8 divisors (see below), whose sum is σ = 6731312544. Its totient is φ = 6187363728.

The previous prime is 6456504991. The next prime is 6456505057. The reversal of 6456504997 is 7994056546.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6456504997 - 2¹⁵ = 6456472229 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 (6456504991) 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, 1414243 + ... + 1418800.

It is an arithmetic number, because the mean of its divisors is an integer number (841414068).

Almost surely, 2^6456504997 is an apocalyptic number.

It is an amenable number.

6456504997 is a deficient number, since it is larger than the sum of its proper divisors (274807547).

6456504997 is a wasteful number, since it uses less digits than its factorization.

6456504997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833139.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The square root of 6456504997 is about 80352.3801576531. The cubic root of 6456504997 is about 1862.0835514831.

The spelling of 6456504997 in words is "six billion, four hundred fifty-six million, five hundred four thousand, nine hundred ninety-seven".