194331793967 has 4 divisors (see below), whose sum is σ = 196515297360. Its totient is φ = 192148290576.

The previous prime is 194331793933. The next prime is 194331793969. The reversal of 194331793967 is 769397133491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 194331793967 - 2¹⁰ = 194331792943 is a prime.

It is a super-2 number, since 2×194331793967² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194331793969) 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, 1091751563 + ... + 1091751740.

It is an arithmetic number, because the mean of its divisors is an integer number (49128824340).

Almost surely, 2^194331793967 is an apocalyptic number.

194331793967 is a deficient number, since it is larger than the sum of its proper divisors (2183503393).

194331793967 is an equidigital number, since it uses as much as digits as its factorization.

194331793967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183503392.

The product of its digits is 23147208, while the sum is 62.

The spelling of 194331793967 in words is "one hundred ninety-four billion, three hundred thirty-one million, seven hundred ninety-three thousand, nine hundred sixty-seven".