18851267342 has 8 divisors (see below), whose sum is σ = 28285011432. Its totient is φ = 9422930200.

The previous prime is 18851267341. The next prime is 18851267353. The reversal of 18851267342 is 24376215881.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18851267341) 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 3 ways as a sum of consecutive naturals, for example, 1343009 + ... + 1356972.

It is an arithmetic number, because the mean of its divisors is an integer number (3535626429).

Almost surely, 2^18851267342 is an apocalyptic number.

18851267342 is a deficient number, since it is larger than the sum of its proper divisors (9433744090).

18851267342 is a wasteful number, since it uses less digits than its factorization.

18851267342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703474.

The product of its digits is 645120, while the sum is 47.

The spelling of 18851267342 in words is "eighteen billion, eight hundred fifty-one million, two hundred sixty-seven thousand, three hundred forty-two".