188990828254 has 4 divisors (see below), whose sum is σ = 283486242384. Its totient is φ = 94495414126.

The previous prime is 188990828249. The next prime is 188990828267. The reversal of 188990828254 is 452828099881.

188990828254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47247707062 + ... + 47247707065.

It is an arithmetic number, because the mean of its divisors is an integer number (70871560596).

Almost surely, 2^188990828254 is an apocalyptic number.

188990828254 is a deficient number, since it is larger than the sum of its proper divisors (94495414130).

188990828254 is an equidigital number, since it uses as much as digits as its factorization.

188990828254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94495414129.

The product of its (nonzero) digits is 26542080, while the sum is 64.

The spelling of 188990828254 in words is "one hundred eighty-eight billion, nine hundred ninety million, eight hundred twenty-eight thousand, two hundred fifty-four".