18574988036642 has 8 divisors (see below), whose sum is σ = 27871644340332. Its totient is φ = 9284439923200.

The previous prime is 18574988036603. The next prime is 18574988036653. The reversal of 18574988036642 is 24663088947581.

It is a Cunningham number, because it is equal to 4309871²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 18574988036641 + 1 = 4309871^2 + 1^2 .

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

It is a super-2 number, since 2×18574988036642² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527039959 + ... + 1527052122.

It is a 1-persistent number, because it is pandigital, but 2⋅18574988036642 = 37149976073284 is not.

Almost surely, 2^{18574988036642} is an apocalyptic number.

18574988036642 is a deficient number, since it is larger than the sum of its proper divisors (9296656303690).

18574988036642 is a wasteful number, since it uses less digits than its factorization.

18574988036642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3054095124.

The product of its (nonzero) digits is 557383680, while the sum is 71.

The spelling of 18574988036642 in words is "eighteen trillion, five hundred seventy-four billion, nine hundred eighty-eight million, thirty-six thousand, six hundred forty-two".