18743020287142 has 24 divisors (see below), whose sum is σ = 29873868793704. Its totient is φ = 8817805304832.

The previous prime is 18743020287139. The next prime is 18743020287151. The reversal of 18743020287142 is 24178202034781.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2392008 + ... + 6573259.

It is an arithmetic number, because the mean of its divisors is an integer number (1244744533071).

Almost surely, 2^{18743020287142} is an apocalyptic number.

18743020287142 is a deficient number, since it is larger than the sum of its proper divisors (11130848506562).

18743020287142 is a wasteful number, since it uses less digits than its factorization.

18743020287142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968920 (or 8968903 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 18743020287142 in words is "eighteen trillion, seven hundred forty-three billion, twenty million, two hundred eighty-seven thousand, one hundred forty-two".