18399714363744 has 96 divisors (see below), whose sum is σ = 56979760674816. Its totient is φ = 5087478620160.

The previous prime is 18399714363691. The next prime is 18399714363749. The reversal of 18399714363744 is 44736341799381.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18399714363749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441600577 + ... + 441642240.

It is an arithmetic number, because the mean of its divisors is an integer number (593539173696).

Almost surely, 2^{18399714363744} is an apocalyptic number.

18399714363744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18399714363744 is an abundant number, since it is smaller than the sum of its proper divisors (38580046311072).

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

18399714363744 is a wasteful number, since it uses less digits than its factorization.

18399714363744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883242868 (or 883242860 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 69.

The spelling of 18399714363744 in words is "eighteen trillion, three hundred ninety-nine billion, seven hundred fourteen million, three hundred sixty-three thousand, seven hundred forty-four".