19494590119 has 2 divisors, whose sum is σ = 19494590120. Its totient is φ = 19494590118.

The previous prime is 19494590113. The next prime is 19494590153. The reversal of 19494590119 is 91109549491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19494590119 - 2¹⁵ = 19494557351 is a prime.

It is a super-2 number, since 2×19494590119² (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 (19494590113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9747295059 + 9747295060.

It is an arithmetic number, because the mean of its divisors is an integer number (9747295060).

Almost surely, 2^19494590119 is an apocalyptic number.

19494590119 is a deficient number, since it is larger than the sum of its proper divisors (1).

19494590119 is an equidigital number, since it uses as much as digits as its factorization.

19494590119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 524880, while the sum is 52.

The spelling of 19494590119 in words is "nineteen billion, four hundred ninety-four million, five hundred ninety thousand, one hundred nineteen".