19018029129 has 32 divisors (see below), whose sum is σ = 28405762560. Its totient is φ = 11217782400.

The previous prime is 19018029091. The next prime is 19018029137. The reversal of 19018029129 is 92192081091.

It is not a de Polignac number, because 19018029129 - 2⁷ = 19018029001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19018021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550134 + ... + 583680.

It is an arithmetic number, because the mean of its divisors is an integer number (887680080).

Almost surely, 2^19018029129 is an apocalyptic number.

It is an amenable number.

19018029129 is a deficient number, since it is larger than the sum of its proper divisors (9387733431).

19018029129 is a wasteful number, since it uses less digits than its factorization.

19018029129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34021.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 19018029129 in words is "nineteen billion, eighteen million, twenty-nine thousand, one hundred twenty-nine".