2558406463163 has 4 divisors (see below), whose sum is σ = 2558418845400. Its totient is φ = 2558394080928.

The previous prime is 2558406463103. The next prime is 2558406463213. The reversal of 2558406463163 is 3613646048552.

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 2558406463163 - 2⁸ = 2558406462907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2558406463103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5875838 + ... + 6296211.

It is an arithmetic number, because the mean of its divisors is an integer number (639604711350).

Almost surely, 2^{2558406463163} is an apocalyptic number.

2558406463163 is a deficient number, since it is larger than the sum of its proper divisors (12382237).

2558406463163 is a wasteful number, since it uses less digits than its factorization.

2558406463163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382236.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 2558406463163 in words is "two trillion, five hundred fifty-eight billion, four hundred six million, four hundred sixty-three thousand, one hundred sixty-three".