19057409269819 has 2 divisors, whose sum is σ = 19057409269820. Its totient is φ = 19057409269818.

The previous prime is 19057409269777. The next prime is 19057409269897. The reversal of 19057409269819 is 91896290475091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19057409269819 - 2²⁵ = 19057375715387 is a prime.

It is a super-2 number, since 2×19057409269819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19057409260819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9528704634909 + 9528704634910.

It is an arithmetic number, because the mean of its divisors is an integer number (9528704634910).

Almost surely, 2^{19057409269819} is an apocalyptic number.

19057409269819 is a deficient number, since it is larger than the sum of its proper divisors (1).

19057409269819 is an equidigital number, since it uses as much as digits as its factorization.

19057409269819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 19057409269819 in words is "nineteen trillion, fifty-seven billion, four hundred nine million, two hundred sixty-nine thousand, eight hundred nineteen".