196561541299 has 2 divisors, whose sum is σ = 196561541300. Its totient is φ = 196561541298.

The previous prime is 196561541233. The next prime is 196561541317. The reversal of 196561541299 is 992145165691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196561541299 - 2¹⁵ = 196561508531 is a prime.

It is not a weakly prime, because it can be changed into another prime (196561941299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98280770649 + 98280770650.

It is an arithmetic number, because the mean of its divisors is an integer number (98280770650).

Almost surely, 2^196561541299 is an apocalyptic number.

196561541299 is a deficient number, since it is larger than the sum of its proper divisors (1).

196561541299 is an equidigital number, since it uses as much as digits as its factorization.

196561541299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5248800, while the sum is 58.

The spelling of 196561541299 in words is "one hundred ninety-six billion, five hundred sixty-one million, five hundred forty-one thousand, two hundred ninety-nine".