18232504263 has 6 divisors (see below), whose sum is σ = 26335839504. Its totient is φ = 12155002836.

The previous prime is 18232504223. The next prime is 18232504313. The reversal of 18232504263 is 36240523281.

18232504263 is a `hidden beast` number, since 182 + 3 + 2 + 50 + 426 + 3 = 666.

It is not a de Polignac number, because 18232504263 - 2¹³ = 18232496071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18232504223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1012916895 + ... + 1012916912.

It is an arithmetic number, because the mean of its divisors is an integer number (4389306584).

Almost surely, 2^18232504263 is an apocalyptic number.

18232504263 is a deficient number, since it is larger than the sum of its proper divisors (8103335241).

18232504263 is a wasteful number, since it uses less digits than its factorization.

18232504263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025833813 (or 2025833810 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 18232504263 in words is "eighteen billion, two hundred thirty-two million, five hundred four thousand, two hundred sixty-three".