19119422529 has 9 divisors (see below), whose sum is σ = 27617542849. Its totient is φ = 12746005140.

The previous prime is 19119422507. The next prime is 19119422533. The reversal of 19119422529 is 92522491191.

The square root of 19119422529 is 138273.

It is a perfect power (a square), and thus also a powerful number.

19119422529 is a `hidden beast` number, since 1 + 9 + 11 + 94 + 22 + 529 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 19119422529 - 2⁷ = 19119422401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19119422579) 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 in 8 ways as a sum of consecutive naturals, for example, 391774 + ... + 437864.

Almost surely, 2^19119422529 is an apocalyptic number.

19119422529 is the 138273-rd square number.

19119422529 is the 69137-th centered octagonal number.

It is an amenable number.

19119422529 is a deficient number, since it is larger than the sum of its proper divisors (8498120320).

19119422529 is an frugal number, since it uses more digits than its factorization.

19119422529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92188 (or 46094 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The spelling of 19119422529 in words is "nineteen billion, one hundred nineteen million, four hundred twenty-two thousand, five hundred twenty-nine".