190735818769 has 2 divisors, whose sum is σ = 190735818770. Its totient is φ = 190735818768.

The previous prime is 190735818703. The next prime is 190735818797. The reversal of 190735818769 is 967818537091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186364890000 + 4370928769 = 431700^2 + 66113^2 .

It is a cyclic number.

It is not a de Polignac number, because 190735818769 - 2⁷ = 190735818641 is a prime.

It is a super-2 number, since 2×190735818769² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190735818769.

It is not a weakly prime, because it can be changed into another prime (190735818569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95367909384 + 95367909385.

It is an arithmetic number, because the mean of its divisors is an integer number (95367909385).

Almost surely, 2^190735818769 is an apocalyptic number.

It is an amenable number.

190735818769 is a deficient number, since it is larger than the sum of its proper divisors (1).

190735818769 is an equidigital number, since it uses as much as digits as its factorization.

190735818769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The spelling of 190735818769 in words is "one hundred ninety billion, seven hundred thirty-five million, eight hundred eighteen thousand, seven hundred sixty-nine".