18999606342 has 16 divisors (see below), whose sum is σ = 38040572160. Its totient is φ = 6326308872.

The previous prime is 18999606341. The next prime is 18999606359. The reversal of 18999606342 is 24360699981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18999606341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717338 + ... + 1728365.

It is an arithmetic number, because the mean of its divisors is an integer number (2377535760).

Almost surely, 2^18999606342 is an apocalyptic number.

18999606342 is an abundant number, since it is smaller than the sum of its proper divisors (19040965818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18999606342 is a wasteful number, since it uses less digits than its factorization.

18999606342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446627.

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 18999606342 in words is "eighteen billion, nine hundred ninety-nine million, six hundred six thousand, three hundred forty-two".