190817705052001 has 4 divisors (see below), whose sum is σ = 190860614367232. Its totient is φ = 190774795736772.

The previous prime is 190817705051977. The next prime is 190817705052061. The reversal of 190817705052001 is 100250507718091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190817705052001 - 2¹³ = 190817705043809 is a prime.

It is a super-2 number, since 2×190817705052001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190817705052061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21454650945 + ... + 21454659838.

It is an arithmetic number, because the mean of its divisors is an integer number (47715153591808).

Almost surely, 2^{190817705052001} is an apocalyptic number.

It is an amenable number.

190817705052001 is a deficient number, since it is larger than the sum of its proper divisors (42909315231).

190817705052001 is an equidigital number, since it uses as much as digits as its factorization.

190817705052001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42909315230.

The product of its (nonzero) digits is 176400, while the sum is 46.

The spelling of 190817705052001 in words is "one hundred ninety trillion, eight hundred seventeen billion, seven hundred five million, fifty-two thousand, one".