18852877913 has 2 divisors, whose sum is σ = 18852877914. Its totient is φ = 18852877912.

The previous prime is 18852877891. The next prime is 18852877919. The reversal of 18852877913 is 31977825881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9557604169 + 9295273744 = 97763^2 + 96412^2 .

It is a cyclic number.

It is not a de Polignac number, because 18852877913 - 2⁸ = 18852877657 is a prime.

It is not a weakly prime, because it can be changed into another prime (18852877919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9426438956 + 9426438957.

It is an arithmetic number, because the mean of its divisors is an integer number (9426438957).

Almost surely, 2^18852877913 is an apocalyptic number.

It is an amenable number.

18852877913 is a deficient number, since it is larger than the sum of its proper divisors (1).

18852877913 is an equidigital number, since it uses as much as digits as its factorization.

18852877913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 59.

The spelling of 18852877913 in words is "eighteen billion, eight hundred fifty-two million, eight hundred seventy-seven thousand, nine hundred thirteen".