190800853 has 2 divisors, whose sum is σ = 190800854. Its totient is φ = 190800852.

The previous prime is 190800851. The next prime is 190800881. The reversal of 190800853 is 358008091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182169009 + 8631844 = 13497^2 + 2938^2 .

It is a cyclic number.

It is not a de Polignac number, because 190800853 - 2¹ = 190800851 is a prime.

Together with 190800851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190800851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95400426 + 95400427.

It is an arithmetic number, because the mean of its divisors is an integer number (95400427).

Almost surely, 2^190800853 is an apocalyptic number.

It is an amenable number.

190800853 is a deficient number, since it is larger than the sum of its proper divisors (1).

190800853 is an equidigital number, since it uses as much as digits as its factorization.

190800853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 190800853 is about 13813.0681964580. The cubic root of 190800853 is about 575.6962987547.

The spelling of 190800853 in words is "one hundred ninety million, eight hundred thousand, eight hundred fifty-three".