18629132289 has 16 divisors (see below), whose sum is σ = 25242010944. Its totient is φ = 12218688000.

The previous prime is 18629132267. The next prime is 18629132297. The reversal of 18629132289 is 98223192681.

It is not a de Polignac number, because 18629132289 - 2⁷ = 18629132161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18629132089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18247 + ... + 193884.

It is an arithmetic number, because the mean of its divisors is an integer number (1577625684).

Almost surely, 2^18629132289 is an apocalyptic number.

It is an amenable number.

18629132289 is a deficient number, since it is larger than the sum of its proper divisors (6612878655).

18629132289 is a wasteful number, since it uses less digits than its factorization.

18629132289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212608.

The product of its digits is 746496, while the sum is 51.

The spelling of 18629132289 in words is "eighteen billion, six hundred twenty-nine million, one hundred thirty-two thousand, two hundred eighty-nine".