190190185793 has 2 divisors, whose sum is σ = 190190185794. Its totient is φ = 190190185792.

The previous prime is 190190185751. The next prime is 190190185807. The reversal of 190190185793 is 397581091091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164712599104 + 25477586689 = 405848^2 + 159617^2 .

It is a cyclic number.

It is not a de Polignac number, because 190190185793 - 2⁶ = 190190185729 is a prime.

It is not a weakly prime, because it can be changed into another prime (190190125793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95095092896 + 95095092897.

It is an arithmetic number, because the mean of its divisors is an integer number (95095092897).

Almost surely, 2^190190185793 is an apocalyptic number.

It is an amenable number.

190190185793 is a deficient number, since it is larger than the sum of its proper divisors (1).

190190185793 is an equidigital number, since it uses as much as digits as its factorization.

190190185793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 53.

The spelling of 190190185793 in words is "one hundred ninety billion, one hundred ninety million, one hundred eighty-five thousand, seven hundred ninety-three".