6413451405256 has 96 divisors (see below), whose sum is σ = 15211712355840. Its totient is φ = 2474462605824.

The previous prime is 6413451405223. The next prime is 6413451405287. The reversal of 6413451405256 is 6525041543146.

It is a super-2 number, since 2×6413451405256² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 5863896 + ... + 6871111.

It is an arithmetic number, because the mean of its divisors is an integer number (158455337040).

Almost surely, 2^{6413451405256} is an apocalyptic number.

It is an amenable number.

6413451405256 is an abundant number, since it is smaller than the sum of its proper divisors (8798260950584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6413451405256 is a wasteful number, since it uses less digits than its factorization.

6413451405256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12735083 (or 12735056 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 6413451405256 in words is "six trillion, four hundred thirteen billion, four hundred fifty-one million, four hundred five thousand, two hundred fifty-six".