19386325117 has 2 divisors, whose sum is σ = 19386325118. Its totient is φ = 19386325116.

The previous prime is 19386325099. The next prime is 19386325129. The reversal of 19386325117 is 71152368391.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13516620121 + 5869704996 = 116261^2 + 76614^2 .

It is a cyclic number.

It is not a de Polignac number, because 19386325117 - 2²³ = 19377936509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19386335117) 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, 9693162558 + 9693162559.

It is an arithmetic number, because the mean of its divisors is an integer number (9693162559).

Almost surely, 2^19386325117 is an apocalyptic number.

It is an amenable number.

19386325117 is a deficient number, since it is larger than the sum of its proper divisors (1).

19386325117 is an equidigital number, since it uses as much as digits as its factorization.

19386325117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The spelling of 19386325117 in words is "nineteen billion, three hundred eighty-six million, three hundred twenty-five thousand, one hundred seventeen".