18741834719 has 8 divisors (see below), whose sum is σ = 19155709440. Its totient is φ = 18330191776.

The previous prime is 18741834691. The next prime is 18741834731. The reversal of 18741834719 is 91743814781.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18741834719 is a prime.

It is a super-2 number, since 2×18741834719² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18741824719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540959 + ... + 574560.

It is an arithmetic number, because the mean of its divisors is an integer number (2394463680).

Almost surely, 2^18741834719 is an apocalyptic number.

18741834719 is a deficient number, since it is larger than the sum of its proper divisors (413874721).

18741834719 is a wasteful number, since it uses less digits than its factorization.

18741834719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115889.

The product of its digits is 1354752, while the sum is 53.

The spelling of 18741834719 in words is "eighteen billion, seven hundred forty-one million, eight hundred thirty-four thousand, seven hundred nineteen".