18732230112959 has 4 divisors (see below), whose sum is σ = 20435160123240. Its totient is φ = 17029300102680.

The previous prime is 18732230112907. The next prime is 18732230112979. The reversal of 18732230112959 is 95921103223781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18732230112959 - 2¹⁶ = 18732230047423 is a prime.

It is a super-3 number, since 3×18732230112959³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18732230112959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18732230112979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851465005124 + ... + 851465005145.

It is an arithmetic number, because the mean of its divisors is an integer number (5108790030810).

Almost surely, 2^{18732230112959} is an apocalyptic number.

18732230112959 is a deficient number, since it is larger than the sum of its proper divisors (1702930010281).

18732230112959 is a wasteful number, since it uses less digits than its factorization.

18732230112959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702930010280.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 18732230112959 in words is "eighteen trillion, seven hundred thirty-two billion, two hundred thirty million, one hundred twelve thousand, nine hundred fifty-nine".