6256465056663 has 4 divisors (see below), whose sum is σ = 8341953408888. Its totient is φ = 4170976704440.

The previous prime is 6256465056661. The next prime is 6256465056689. The reversal of 6256465056663 is 3666505646526.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6256465056663 - 2¹ = 6256465056661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6256465056597 and 6256465056606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256465056661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042744176108 + ... + 1042744176113.

It is an arithmetic number, because the mean of its divisors is an integer number (2085488352222).

Almost surely, 2^{6256465056663} is an apocalyptic number.

6256465056663 is a deficient number, since it is larger than the sum of its proper divisors (2085488352225).

6256465056663 is a wasteful number, since it uses less digits than its factorization.

6256465056663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085488352224.

The product of its (nonzero) digits is 139968000, while the sum is 60.

The spelling of 6256465056663 in words is "six trillion, two hundred fifty-six billion, four hundred sixty-five million, fifty-six thousand, six hundred sixty-three".