18687523714324 has 12 divisors (see below), whose sum is σ = 32703671686644. Its totient is φ = 9343617518144.

The previous prime is 18687523714291. The next prime is 18687523714351. The reversal of 18687523714324 is 42341732578681.

It can be written as a sum of positive squares in 2 ways, for example, as 16327822192900 + 2359701521424 = 4040770^2 + 1536132^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 35793187 + ... + 36311530.

It is an arithmetic number, because the mean of its divisors is an integer number (2725305973887).

Almost surely, 2^{18687523714324} is an apocalyptic number.

It is an amenable number.

18687523714324 is a deficient number, since it is larger than the sum of its proper divisors (14016147972320).

18687523714324 is a wasteful number, since it uses less digits than its factorization.

18687523714324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72169514 (or 72169512 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 61.

The spelling of 18687523714324 in words is "eighteen trillion, six hundred eighty-seven billion, five hundred twenty-three million, seven hundred fourteen thousand, three hundred twenty-four".