196695769 has 4 divisors (see below), whose sum is σ = 196755940. Its totient is φ = 196635600.

The previous prime is 196695767. The next prime is 196695787. The reversal of 196695769 is 967596691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 967596691 = 19141 ⋅50551.

It can be written as a sum of positive squares in 2 ways, for example, as 53582400 + 143113369 = 7320^2 + 11963^2 .

It is a cyclic number.

It is not a de Polignac number, because 196695769 - 2¹ = 196695767 is a prime.

It is a super-2 number, since 2×196695769² = 77378451085002722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196695767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24882 + ... + 31819.

It is an arithmetic number, because the mean of its divisors is an integer number (49188985).

Almost surely, 2^196695769 is an apocalyptic number.

It is an amenable number.

196695769 is a deficient number, since it is larger than the sum of its proper divisors (60171).

196695769 is an equidigital number, since it uses as much as digits as its factorization.

196695769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60170.

The product of its digits is 5511240, while the sum is 58.

The square root of 196695769 is about 14024.8268795019. The cubic root of 196695769 is about 581.5651039916.

The spelling of 196695769 in words is "one hundred ninety-six million, six hundred ninety-five thousand, seven hundred sixty-nine".