18619736469672 has 128 divisors (see below), whose sum is σ = 52475993579520. Its totient is φ = 5466248928000.

The previous prime is 18619736469667. The next prime is 18619736469707. The reversal of 18619736469672 is 27696463791681.

It is a junction number, because it is equal to n+sod(n) for n = 18619736469594 and 18619736469603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12870454 + ... + 14243877.

It is an arithmetic number, because the mean of its divisors is an integer number (409968699840).

Almost surely, 2^{18619736469672} is an apocalyptic number.

18619736469672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18619736469672 is an abundant number, since it is smaller than the sum of its proper divisors (33856257109848).

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

18619736469672 is a wasteful number, since it uses less digits than its factorization.

18619736469672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27114455 (or 27114451 counting only the distinct ones).

The product of its digits is 987614208, while the sum is 75.

The spelling of 18619736469672 in words is "eighteen trillion, six hundred nineteen billion, seven hundred thirty-six million, four hundred sixty-nine thousand, six hundred seventy-two".