18653003053 has 2 divisors, whose sum is σ = 18653003054. Its totient is φ = 18653003052.

The previous prime is 18653003021. The next prime is 18653003107. The reversal of 18653003053 is 35030035681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18441096804 + 211906249 = 135798^2 + 14557^2 .

It is a cyclic number.

It is not a de Polignac number, because 18653003053 - 2⁵ = 18653003021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18653003353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9326501526 + 9326501527.

It is an arithmetic number, because the mean of its divisors is an integer number (9326501527).

Almost surely, 2^18653003053 is an apocalyptic number.

It is an amenable number.

18653003053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18653003053 is an equidigital number, since it uses as much as digits as its factorization.

18653003053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 18653003053 in words is "eighteen billion, six hundred fifty-three million, three thousand, fifty-three".