190053790065 has 24 divisors (see below), whose sum is σ = 329916111720. Its totient is φ = 101211393024.

The previous prime is 190053790063. The next prime is 190053790097. The reversal of 190053790065 is 560097350091.

It can be written as a sum of positive squares in 4 ways, for example, as 63709798464 + 126343991601 = 252408^2 + 355449^2 .

It is not a de Polignac number, because 190053790065 - 2¹ = 190053790063 is a prime.

It is a super-2 number, since 2×190053790065² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190053790065.

It is not an unprimeable number, because it can be changed into a prime (190053790063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3107470 + ... + 3168039.

It is an arithmetic number, because the mean of its divisors is an integer number (13746504655).

Almost surely, 2^190053790065 is an apocalyptic number.

190053790065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190053790065 is a deficient number, since it is larger than the sum of its proper divisors (139862321655).

190053790065 is a wasteful number, since it uses less digits than its factorization.

190053790065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276193 (or 6276190 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The spelling of 190053790065 in words is "one hundred ninety billion, fifty-three million, seven hundred ninety thousand, sixty-five".