18579456041 has 2 divisors, whose sum is σ = 18579456042. Its totient is φ = 18579456040.

The previous prime is 18579456031. The next prime is 18579456053. The reversal of 18579456041 is 14065497581.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15724156816 + 2855299225 = 125396^2 + 53435^2 .

It is a cyclic number.

It is not a de Polignac number, because 18579456041 - 2²⁶ = 18512347177 is a prime.

It is a super-3 number, since 3×18579456041³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (18579456001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9289728020 + 9289728021.

It is an arithmetic number, because the mean of its divisors is an integer number (9289728021).

Almost surely, 2^18579456041 is an apocalyptic number.

It is an amenable number.

18579456041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18579456041 is an equidigital number, since it uses as much as digits as its factorization.

18579456041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 18579456041 in words is "eighteen billion, five hundred seventy-nine million, four hundred fifty-six thousand, forty-one".