12562642163 has 4 divisors (see below), whose sum is σ = 12577301880. Its totient is φ = 12547982448.

The previous prime is 12562642139. The next prime is 12562642171. The reversal of 12562642163 is 36124626521.

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 12562642163 - 2⁸ = 12562641907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12562642193) 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, 7328573 + ... + 7330286.

It is an arithmetic number, because the mean of its divisors is an integer number (3144325470).

Almost surely, 2^12562642163 is an apocalyptic number.

12562642163 is a deficient number, since it is larger than the sum of its proper divisors (14659717).

12562642163 is an equidigital number, since it uses as much as digits as its factorization.

12562642163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14659716.

The product of its digits is 103680, while the sum is 38.

The spelling of 12562642163 in words is "twelve billion, five hundred sixty-two million, six hundred forty-two thousand, one hundred sixty-three".