18717626342 has 8 divisors (see below), whose sum is σ = 28123787736. Its totient is φ = 9343030432.

The previous prime is 18717626329. The next prime is 18717626359. The reversal of 18717626342 is 24362671781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7889888 + ... + 7892259.

It is an arithmetic number, because the mean of its divisors is an integer number (3515473467).

Almost surely, 2^18717626342 is an apocalyptic number.

18717626342 is a deficient number, since it is larger than the sum of its proper divisors (9406161394).

18717626342 is a wasteful number, since it uses less digits than its factorization.

18717626342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15782742.

The product of its digits is 677376, while the sum is 47.

The spelling of 18717626342 in words is "eighteen billion, seven hundred seventeen million, six hundred twenty-six thousand, three hundred forty-two".