18582523679 has 2 divisors, whose sum is σ = 18582523680. Its totient is φ = 18582523678.

The previous prime is 18582523669. The next prime is 18582523703. The reversal of 18582523679 is 97632528581.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18582523679 - 2²⁸ = 18314088223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18582523639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9291261839 + 9291261840.

It is an arithmetic number, because the mean of its divisors is an integer number (9291261840).

Almost surely, 2^18582523679 is an apocalyptic number.

18582523679 is a deficient number, since it is larger than the sum of its proper divisors (1).

18582523679 is an equidigital number, since it uses as much as digits as its factorization.

18582523679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 56.

The spelling of 18582523679 in words is "eighteen billion, five hundred eighty-two million, five hundred twenty-three thousand, six hundred seventy-nine".