18579793480231 has 2 divisors, whose sum is σ = 18579793480232. Its totient is φ = 18579793480230.

The previous prime is 18579793480207. The next prime is 18579793480249. The reversal of 18579793480231 is 13208439797581.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18579793480231 - 2³³ = 18571203545639 is a prime.

It is a super-2 number, since 2×18579793480231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18579793481231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9289896740115 + 9289896740116.

It is an arithmetic number, because the mean of its divisors is an integer number (9289896740116).

Almost surely, 2^{18579793480231} is an apocalyptic number.

18579793480231 is a deficient number, since it is larger than the sum of its proper divisors (1).

18579793480231 is an equidigital number, since it uses as much as digits as its factorization.

18579793480231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 18579793480231 in words is "eighteen trillion, five hundred seventy-nine billion, seven hundred ninety-three million, four hundred eighty thousand, two hundred thirty-one".