190874420719 has 2 divisors, whose sum is σ = 190874420720. Its totient is φ = 190874420718.

The previous prime is 190874420713. The next prime is 190874420729. The reversal of 190874420719 is 917024478091.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (917024478091) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190874420719 is a prime.

It is a super-2 number, since 2×190874420719² (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 (190874420713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95437210359 + 95437210360.

It is an arithmetic number, because the mean of its divisors is an integer number (95437210360).

Almost surely, 2^190874420719 is an apocalyptic number.

190874420719 is a deficient number, since it is larger than the sum of its proper divisors (1).

190874420719 is an equidigital number, since it uses as much as digits as its factorization.

190874420719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 190874420719 in words is "one hundred ninety billion, eight hundred seventy-four million, four hundred twenty thousand, seven hundred nineteen".