18342585101 has 2 divisors, whose sum is σ = 18342585102. Its totient is φ = 18342585100.

The previous prime is 18342585089. The next prime is 18342585133. The reversal of 18342585101 is 10158524381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14262569476 + 4080015625 = 119426^2 + 63875^2 .

It is a cyclic number.

It is not a de Polignac number, because 18342585101 - 2²⁶ = 18275476237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18342585601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9171292550 + 9171292551.

It is an arithmetic number, because the mean of its divisors is an integer number (9171292551).

Almost surely, 2^18342585101 is an apocalyptic number.

It is an amenable number.

18342585101 is a deficient number, since it is larger than the sum of its proper divisors (1).

18342585101 is an equidigital number, since it uses as much as digits as its factorization.

18342585101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 18342585101 in words is "eighteen billion, three hundred forty-two million, five hundred eighty-five thousand, one hundred one".