194275225969 has 4 divisors (see below), whose sum is σ = 211936610160. Its totient is φ = 176613841780.

The previous prime is 194275225961. The next prime is 194275225979. The reversal of 194275225969 is 969522572491.

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 194275225969 - 2³ = 194275225961 is a prime.

It is a super-2 number, since 2×194275225969² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194275225961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8830692079 + ... + 8830692100.

It is an arithmetic number, because the mean of its divisors is an integer number (52984152540).

Almost surely, 2^194275225969 is an apocalyptic number.

It is an amenable number.

194275225969 is a deficient number, since it is larger than the sum of its proper divisors (17661384191).

194275225969 is a wasteful number, since it uses less digits than its factorization.

194275225969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17661384190.

The product of its digits is 24494400, while the sum is 61.

It can be divided in two parts, 19427522 and 5969, that added together give a palindrome (19433491).

The spelling of 194275225969 in words is "one hundred ninety-four billion, two hundred seventy-five million, two hundred twenty-five thousand, nine hundred sixty-nine".