196231858337 has 2 divisors, whose sum is σ = 196231858338. Its totient is φ = 196231858336.

The previous prime is 196231858309. The next prime is 196231858363. The reversal of 196231858337 is 733858132691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119826053281 + 76405805056 = 346159^2 + 276416^2 .

It is an emirp because it is prime and its reverse (733858132691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196231858337 - 2³⁰ = 195158116513 is a prime.

It is not a weakly prime, because it can be changed into another prime (196231851337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98115929168 + 98115929169.

It is an arithmetic number, because the mean of its divisors is an integer number (98115929169).

Almost surely, 2^196231858337 is an apocalyptic number.

It is an amenable number.

196231858337 is a deficient number, since it is larger than the sum of its proper divisors (1).

196231858337 is an equidigital number, since it uses as much as digits as its factorization.

196231858337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The spelling of 196231858337 in words is "one hundred ninety-six billion, two hundred thirty-one million, eight hundred fifty-eight thousand, three hundred thirty-seven".