196929641 has 2 divisors, whose sum is σ = 196929642. Its totient is φ = 196929640.

The previous prime is 196929619. The next prime is 196929709. The reversal of 196929641 is 146929691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169104016 + 27825625 = 13004^2 + 5275^2 .

It is a cyclic number.

It is not a de Polignac number, because 196929641 - 2¹⁴ = 196913257 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (196929041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98464820 + 98464821.

It is an arithmetic number, because the mean of its divisors is an integer number (98464821).

Almost surely, 2^196929641 is an apocalyptic number.

It is an amenable number.

196929641 is a deficient number, since it is larger than the sum of its proper divisors (1).

196929641 is an equidigital number, since it uses as much as digits as its factorization.

196929641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 47.

The square root of 196929641 is about 14033.1621881884. The cubic root of 196929641 is about 581.7955070553.

The spelling of 196929641 in words is "one hundred ninety-six million, nine hundred twenty-nine thousand, six hundred forty-one".