18425159716441 has 2 divisors, whose sum is σ = 18425159716442. Its totient is φ = 18425159716440.

The previous prime is 18425159716433. The next prime is 18425159716487. The reversal of 18425159716441 is 14461795152481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16979105366041 + 1446054350400 = 4120571^2 + 1202520^2 .

It is a cyclic number.

It is not a de Polignac number, because 18425159716441 - 2³ = 18425159716433 is a prime.

It is not a weakly prime, because it can be changed into another prime (18425159714441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9212579858220 + 9212579858221.

It is an arithmetic number, because the mean of its divisors is an integer number (9212579858221).

Almost surely, 2^{18425159716441} is an apocalyptic number.

It is an amenable number.

18425159716441 is a deficient number, since it is larger than the sum of its proper divisors (1).

18425159716441 is an equidigital number, since it uses as much as digits as its factorization.

18425159716441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 58.

The spelling of 18425159716441 in words is "eighteen trillion, four hundred twenty-five billion, one hundred fifty-nine million, seven hundred sixteen thousand, four hundred forty-one".