18514484144074 has 8 divisors (see below), whose sum is σ = 27777689667108. Its totient is φ = 9255254255040.

The previous prime is 18514484144021. The next prime is 18514484144111. The reversal of 18514484144074 is 47044148441581.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16620241164849 + 1894242979225 = 4076793^2 + 1376315^2 .

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

It is a super-2 number, since 2×18514484144074² (a number of 27 digits) contains 22 as substring.

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, 993896857 + ... + 993915484.

Almost surely, 2^{18514484144074} is an apocalyptic number.

18514484144074 is a deficient number, since it is larger than the sum of its proper divisors (9263205523034).

18514484144074 is a wasteful number, since it uses less digits than its factorization.

18514484144074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987817000.

The product of its (nonzero) digits is 9175040, while the sum is 55.

The spelling of 18514484144074 in words is "eighteen trillion, five hundred fourteen billion, four hundred eighty-four million, one hundred forty-four thousand, seventy-four".