18882608238253 has 2 divisors, whose sum is σ = 18882608238254. Its totient is φ = 18882608238252.

The previous prime is 18882608238239. The next prime is 18882608238269. The reversal of 18882608238253 is 35283280628881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15822550751049 + 3060057487204 = 3977757^2 + 1749302^2 .

It is an emirp because it is prime and its reverse (35283280628881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18882608238253 - 2²⁵ = 18882574683821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18882608238233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9441304119126 + 9441304119127.

It is an arithmetic number, because the mean of its divisors is an integer number (9441304119127).

Almost surely, 2^{18882608238253} is an apocalyptic number.

It is an amenable number.

18882608238253 is a deficient number, since it is larger than the sum of its proper divisors (1).

18882608238253 is an equidigital number, since it uses as much as digits as its factorization.

18882608238253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70778880, while the sum is 64.

The spelling of 18882608238253 in words is "eighteen trillion, eight hundred eighty-two billion, six hundred eight million, two hundred thirty-eight thousand, two hundred fifty-three".