12813560819 has 2 divisors, whose sum is σ = 12813560820. Its totient is φ = 12813560818.

The previous prime is 12813560813. The next prime is 12813560827. The reversal of 12813560819 is 91806531821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12813560819 - 2²⁴ = 12796783603 is a prime.

It is a super-2 number, since 2×12813560819² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12813560819.

It is not a weakly prime, because it can be changed into another prime (12813560813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406780409 + 6406780410.

It is an arithmetic number, because the mean of its divisors is an integer number (6406780410).

Almost surely, 2^12813560819 is an apocalyptic number.

12813560819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12813560819 is an equidigital number, since it uses as much as digits as its factorization.

12813560819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 44.

The spelling of 12813560819 in words is "twelve billion, eight hundred thirteen million, five hundred sixty thousand, eight hundred nineteen".