196736453 has 2 divisors, whose sum is σ = 196736454. Its totient is φ = 196736452.

The previous prime is 196736443. The next prime is 196736459. The reversal of 196736453 is 354637691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188430529 + 8305924 = 13727^2 + 2882^2 .

It is an emirp because it is prime and its reverse (354637691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196736453 - 2²⁴ = 179959237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196736459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98368226 + 98368227.

It is an arithmetic number, because the mean of its divisors is an integer number (98368227).

Almost surely, 2^196736453 is an apocalyptic number.

It is an amenable number.

196736453 is a deficient number, since it is larger than the sum of its proper divisors (1).

196736453 is an equidigital number, since it uses as much as digits as its factorization.

196736453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 196736453 is about 14026.2772323949. The cubic root of 196736453 is about 581.6051976579.

The spelling of 196736453 in words is "one hundred ninety-six million, seven hundred thirty-six thousand, four hundred fifty-three".