18462559097 has 2 divisors, whose sum is σ = 18462559098. Its totient is φ = 18462559096.

The previous prime is 18462559069. The next prime is 18462559099. The reversal of 18462559097 is 79095526481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18440553616 + 22005481 = 135796^2 + 4691^2 .

It is a cyclic number.

It is not a de Polignac number, because 18462559097 - 2⁶ = 18462559033 is a prime.

Together with 18462559099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18462559099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9231279548 + 9231279549.

It is an arithmetic number, because the mean of its divisors is an integer number (9231279549).

Almost surely, 2^18462559097 is an apocalyptic number.

It is an amenable number.

18462559097 is a deficient number, since it is larger than the sum of its proper divisors (1).

18462559097 is an equidigital number, since it uses as much as digits as its factorization.

18462559097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 18462559097 in words is "eighteen billion, four hundred sixty-two million, five hundred fifty-nine thousand, ninety-seven".