18909067412332 has 24 divisors (see below), whose sum is σ = 33134701204080. Its totient is φ = 9442011585600.

The previous prime is 18909067412329. The next prime is 18909067412351. The reversal of 18909067412332 is 23321476090981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47145294 + ... + 47544682.

It is an arithmetic number, because the mean of its divisors is an integer number (1380612550170).

Almost surely, 2^{18909067412332} is an apocalyptic number.

It is an amenable number.

18909067412332 is a deficient number, since it is larger than the sum of its proper divisors (14225633791748).

18909067412332 is a wasteful number, since it uses less digits than its factorization.

18909067412332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415041 (or 415039 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 18909067412332 in words is "eighteen trillion, nine hundred nine billion, sixty-seven million, four hundred twelve thousand, three hundred thirty-two".