188484861394 has 4 divisors (see below), whose sum is σ = 282727292094. Its totient is φ = 94242430696.

The previous prime is 188484861361. The next prime is 188484861403. The reversal of 188484861394 is 493168484881.

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., 130853657169 + 57631204225 = 361737^2 + 240065^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47121215347 + ... + 47121215350.

Almost surely, 2^188484861394 is an apocalyptic number.

188484861394 is a deficient number, since it is larger than the sum of its proper divisors (94242430700).

188484861394 is an equidigital number, since it uses as much as digits as its factorization.

188484861394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94242430699.

The product of its digits is 42467328, while the sum is 64.

The spelling of 188484861394 in words is "one hundred eighty-eight billion, four hundred eighty-four million, eight hundred sixty-one thousand, three hundred ninety-four".