194768969 has 4 divisors (see below), whose sum is σ = 195084240. Its totient is φ = 194453700.

The previous prime is 194768957. The next prime is 194768989. The reversal of 194768969 is 969867491.

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 194768969 - 2⁴ = 194768953 is a prime.

It is a super-2 number, since 2×194768969² = 75869902570645922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194768909) 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, 156707 + ... + 157944.

It is an arithmetic number, because the mean of its divisors is an integer number (48771060).

Almost surely, 2^194768969 is an apocalyptic number.

It is an amenable number.

194768969 is a deficient number, since it is larger than the sum of its proper divisors (315271).

194768969 is an equidigital number, since it uses as much as digits as its factorization.

194768969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315270.

The product of its digits is 5878656, while the sum is 59.

The square root of 194768969 is about 13955.9653553597. The cubic root of 194768969 is about 579.6598967233.

The spelling of 194768969 in words is "one hundred ninety-four million, seven hundred sixty-eight thousand, nine hundred sixty-nine".