190945513519 has 2 divisors, whose sum is σ = 190945513520. Its totient is φ = 190945513518.

The previous prime is 190945513469. The next prime is 190945513523. The reversal of 190945513519 is 915315549091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190945513519 - 2¹⁷ = 190945382447 is a prime.

It is a super-2 number, since 2×190945513519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190945513529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95472756759 + 95472756760.

It is an arithmetic number, because the mean of its divisors is an integer number (95472756760).

Almost surely, 2^190945513519 is an apocalyptic number.

190945513519 is a deficient number, since it is larger than the sum of its proper divisors (1).

190945513519 is an equidigital number, since it uses as much as digits as its factorization.

190945513519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1093500, while the sum is 52.

The spelling of 190945513519 in words is "one hundred ninety billion, nine hundred forty-five million, five hundred thirteen thousand, five hundred nineteen".