188450893 has 2 divisors, whose sum is σ = 188450894. Its totient is φ = 188450892.

The previous prime is 188450851. The next prime is 188450957. The reversal of 188450893 is 398054881.

188450893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188293284 + 157609 = 13722^2 + 397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188450893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188450813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94225446 + 94225447.

It is an arithmetic number, because the mean of its divisors is an integer number (94225447).

Almost surely, 2^188450893 is an apocalyptic number.

It is an amenable number.

188450893 is a deficient number, since it is larger than the sum of its proper divisors (1).

188450893 is an equidigital number, since it uses as much as digits as its factorization.

188450893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 188450893 is about 13727.7417297966. The cubic root of 188450893 is about 573.3230464698.

The spelling of 188450893 in words is "one hundred eighty-eight million, four hundred fifty thousand, eight hundred ninety-three".