196843956241 has 9 divisors (see below), whose sum is σ = 203879064571. Its totient is φ = 190043810824.

The previous prime is 196843956229. The next prime is 196843956251. The reversal of 196843956241 is 142659348691.

The square root of 196843956241 is 443671.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 103220195841 + 93623760400 = 321279^2 + 305980^2 .

It is not a de Polignac number, because 196843956241 - 2⁹ = 196843955729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196843956251) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12858810 + ... + 12874108.

Almost surely, 2^196843956241 is an apocalyptic number.

196843956241 is the 443671-st square number.

196843956241 is the 221836-th centered octagonal number.

It is an amenable number.

196843956241 is a deficient number, since it is larger than the sum of its proper divisors (7035108330).

196843956241 is an frugal number, since it uses more digits than its factorization.

196843956241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30656 (or 15328 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The spelling of 196843956241 in words is "one hundred ninety-six billion, eight hundred forty-three million, nine hundred fifty-six thousand, two hundred forty-one".