19492207340017 has 2 divisors, whose sum is σ = 19492207340018. Its totient is φ = 19492207340016.

The previous prime is 19492207339999. The next prime is 19492207340027. The reversal of 19492207340017 is 71004370229491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16659058565601 + 2833148774416 = 4081551^2 + 1683196^2 .

It is a cyclic number.

It is not a de Polignac number, because 19492207340017 - 2²³ = 19492198951409 is a prime.

It is a super-2 number, since 2×19492207340017² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19492207340027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9746103670008 + 9746103670009.

It is an arithmetic number, because the mean of its divisors is an integer number (9746103670009).

Almost surely, 2^{19492207340017} is an apocalyptic number.

It is an amenable number.

19492207340017 is a deficient number, since it is larger than the sum of its proper divisors (1).

19492207340017 is an equidigital number, since it uses as much as digits as its factorization.

19492207340017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 19492207340017 in words is "nineteen trillion, four hundred ninety-two billion, two hundred seven million, three hundred forty thousand, seventeen".