18375700253 has 2 divisors, whose sum is σ = 18375700254. Its totient is φ = 18375700252.

The previous prime is 18375700241. The next prime is 18375700373. The reversal of 18375700253 is 35200757381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18375700249 + 4 = 135557^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 18375700253 - 2⁸ = 18375699997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18375700253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18375790253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9187850126 + 9187850127.

It is an arithmetic number, because the mean of its divisors is an integer number (9187850127).

Almost surely, 2^18375700253 is an apocalyptic number.

It is an amenable number.

18375700253 is a deficient number, since it is larger than the sum of its proper divisors (1).

18375700253 is an equidigital number, since it uses as much as digits as its factorization.

18375700253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 18375700253 in words is "eighteen billion, three hundred seventy-five million, seven hundred thousand, two hundred fifty-three".