12913571851 has 2 divisors, whose sum is σ = 12913571852. Its totient is φ = 12913571850.

The previous prime is 12913571831. The next prime is 12913571873. The reversal of 12913571851 is 15817531921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12913571851 - 2¹⁷ = 12913440779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12913571798 and 12913571807.

It is not a weakly prime, because it can be changed into another prime (12913571831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6456785925 + 6456785926.

It is an arithmetic number, because the mean of its divisors is an integer number (6456785926).

Almost surely, 2^12913571851 is an apocalyptic number.

12913571851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12913571851 is an equidigital number, since it uses as much as digits as its factorization.

12913571851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 43.

The spelling of 12913571851 in words is "twelve billion, nine hundred thirteen million, five hundred seventy-one thousand, eight hundred fifty-one".