18882091329 has 16 divisors (see below), whose sum is σ = 25769937600. Its totient is φ = 12291342336.

The previous prime is 18882091303. The next prime is 18882091381. The reversal of 18882091329 is 92319028881.

It is not a de Polignac number, because 18882091329 - 2¹⁷ = 18881960257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18882090329) 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 15 ways as a sum of consecutive naturals, for example, 407457 + ... + 451425.

It is an arithmetic number, because the mean of its divisors is an integer number (1610621100).

Almost surely, 2^18882091329 is an apocalyptic number.

It is an amenable number.

18882091329 is a deficient number, since it is larger than the sum of its proper divisors (6887846271).

18882091329 is a wasteful number, since it uses less digits than its factorization.

18882091329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47344.

The product of its (nonzero) digits is 497664, while the sum is 51.

The spelling of 18882091329 in words is "eighteen billion, eight hundred eighty-two million, ninety-one thousand, three hundred twenty-nine".