18763844010146 has 4 divisors (see below), whose sum is σ = 28145766015222. Its totient is φ = 9381922005072.

The previous prime is 18763844010137. The next prime is 18763844010203. The reversal of 18763844010146 is 64101044836781.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11088666901225 + 7675177108921 = 3329965^2 + 2770411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4690961002535 + ... + 4690961002538.

Almost surely, 2^{18763844010146} is an apocalyptic number.

18763844010146 is a deficient number, since it is larger than the sum of its proper divisors (9381922005076).

18763844010146 is an equidigital number, since it uses as much as digits as its factorization.

18763844010146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9381922005075.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 18763844010146 in words is "eighteen trillion, seven hundred sixty-three billion, eight hundred forty-four million, ten thousand, one hundred forty-six".