18895054597 has 2 divisors, whose sum is σ = 18895054598. Its totient is φ = 18895054596.

The previous prime is 18895054411. The next prime is 18895054601. The reversal of 18895054597 is 79545059881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17297773441 + 1597281156 = 131521^2 + 39966^2 .

It is a cyclic number.

It is not a de Polignac number, because 18895054597 - 2¹⁵ = 18895021829 is a prime.

It is a super-2 number, since 2×18895054597² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18895052597) 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, 9447527298 + 9447527299.

It is an arithmetic number, because the mean of its divisors is an integer number (9447527299).

Almost surely, 2^18895054597 is an apocalyptic number.

It is an amenable number.

18895054597 is a deficient number, since it is larger than the sum of its proper divisors (1).

18895054597 is an equidigital number, since it uses as much as digits as its factorization.

18895054597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144000, while the sum is 61.

The spelling of 18895054597 in words is "eighteen billion, eight hundred ninety-five million, fifty-four thousand, five hundred ninety-seven".