1312406563163 has 2 divisors, whose sum is σ = 1312406563164. Its totient is φ = 1312406563162.

The previous prime is 1312406563133. The next prime is 1312406563177. The reversal of 1312406563163 is 3613656042131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312406563163 - 2²² = 1312402368859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312406563163.

It is not a weakly prime, because it can be changed into another prime (1312406563133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656203281581 + 656203281582.

It is an arithmetic number, because the mean of its divisors is an integer number (656203281582).

Almost surely, 2^{1312406563163} is an apocalyptic number.

1312406563163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312406563163 is an equidigital number, since it uses as much as digits as its factorization.

1312406563163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 1312406563163 in words is "one trillion, three hundred twelve billion, four hundred six million, five hundred sixty-three thousand, one hundred sixty-three".