190151693 has 2 divisors, whose sum is σ = 190151694. Its totient is φ = 190151692.

The previous prime is 190151683. The next prime is 190151713. The reversal of 190151693 is 396151091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163916809 + 26234884 = 12803^2 + 5122^2 .

It is a cyclic number.

It is not a de Polignac number, because 190151693 - 2¹⁶ = 190086157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190151653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95075846 + 95075847.

It is an arithmetic number, because the mean of its divisors is an integer number (95075847).

Almost surely, 2^190151693 is an apocalyptic number.

It is an amenable number.

190151693 is a deficient number, since it is larger than the sum of its proper divisors (1).

190151693 is an equidigital number, since it uses as much as digits as its factorization.

190151693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 190151693 is about 13789.5501376948. The cubic root of 190151693 is about 575.0426614850.

The spelling of 190151693 in words is "one hundred ninety million, one hundred fifty-one thousand, six hundred ninety-three".