18087930053 has 2 divisors, whose sum is σ = 18087930054. Its totient is φ = 18087930052.

The previous prime is 18087930019. The next prime is 18087930059. The reversal of 18087930053 is 35003978081.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14675384164 + 3412545889 = 121142^2 + 58417^2 .

It is a cyclic number.

It is not a de Polignac number, because 18087930053 - 2⁶ = 18087929989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18087929986 and 18087930013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18087930059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9043965026 + 9043965027.

It is an arithmetic number, because the mean of its divisors is an integer number (9043965027).

Almost surely, 2^18087930053 is an apocalyptic number.

It is an amenable number.

18087930053 is a deficient number, since it is larger than the sum of its proper divisors (1).

18087930053 is an equidigital number, since it uses as much as digits as its factorization.

18087930053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 18087930053 in words is "eighteen billion, eighty-seven million, nine hundred thirty thousand, fifty-three".