190241819 has 2 divisors, whose sum is σ = 190241820. Its totient is φ = 190241818.

The previous prime is 190241803. The next prime is 190241867. The reversal of 190241819 is 918142091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190241819 - 2⁴ = 190241803 is a prime.

It is a super-2 number, since 2×190241819² = 72383899392857522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190241419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95120909 + 95120910.

It is an arithmetic number, because the mean of its divisors is an integer number (95120910).

Almost surely, 2^190241819 is an apocalyptic number.

190241819 is a deficient number, since it is larger than the sum of its proper divisors (1).

190241819 is an equidigital number, since it uses as much as digits as its factorization.

190241819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 190241819 is about 13792.8176599272. The cubic root of 190241819 is about 575.1334979258.

The spelling of 190241819 in words is "one hundred ninety million, two hundred forty-one thousand, eight hundred nineteen".