17427872519 has 2 divisors, whose sum is σ = 17427872520. Its totient is φ = 17427872518.

The previous prime is 17427872453. The next prime is 17427872537. The reversal of 17427872519 is 91527872471.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17427872519 - 2⁸ = 17427872263 is a prime.

It is a super-2 number, since 2×17427872519² (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 (17427875519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8713936259 + 8713936260.

It is an arithmetic number, because the mean of its divisors is an integer number (8713936260).

Almost surely, 2^17427872519 is an apocalyptic number.

17427872519 is a deficient number, since it is larger than the sum of its proper divisors (1).

17427872519 is an equidigital number, since it uses as much as digits as its factorization.

17427872519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1975680, while the sum is 53.

The spelling of 17427872519 in words is "seventeen billion, four hundred twenty-seven million, eight hundred seventy-two thousand, five hundred nineteen".