18643827027754 has 8 divisors (see below), whose sum is σ = 27973992466980. Its totient is φ = 9319162872096.

The previous prime is 18643827027719. The next prime is 18643827027781. The reversal of 18643827027754 is 45772072834681.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14755378260529 + 3888448767225 = 3841273^2 + 1971915^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375312419 + ... + 1375325974.

Almost surely, 2^{18643827027754} is an apocalyptic number.

18643827027754 is a deficient number, since it is larger than the sum of its proper divisors (9330165439226).

18643827027754 is a wasteful number, since it uses less digits than its factorization.

18643827027754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750641784.

The product of its (nonzero) digits is 126443520, while the sum is 64.

The spelling of 18643827027754 in words is "eighteen trillion, six hundred forty-three billion, eight hundred twenty-seven million, twenty-seven thousand, seven hundred fifty-four".