190150819 has 2 divisors, whose sum is σ = 190150820. Its totient is φ = 190150818.

The previous prime is 190150811. The next prime is 190150897. The reversal of 190150819 is 918051091.

It is a weak prime.

It is an emirp because it is prime and its reverse (918051091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190150819 - 2³ = 190150811 is a prime.

It is a super-2 number, since 2×190150819² = 72314667932741522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190150811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95075409 + 95075410.

It is an arithmetic number, because the mean of its divisors is an integer number (95075410).

Almost surely, 2^190150819 is an apocalyptic number.

190150819 is a deficient number, since it is larger than the sum of its proper divisors (1).

190150819 is an equidigital number, since it uses as much as digits as its factorization.

190150819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 190150819 is about 13789.5184469944. The cubic root of 190150819 is about 575.0417804550.

It can be divided in two parts, 190150 and 819, that added together give a square (190969 = 437²).

The spelling of 190150819 in words is "one hundred ninety million, one hundred fifty thousand, eight hundred nineteen".