9713894453 has 2 divisors, whose sum is σ = 9713894454. Its totient is φ = 9713894452.

The previous prime is 9713894417. The next prime is 9713894521. The reversal of 9713894453 is 3544983179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5465201329 + 4248693124 = 73927^2 + 65182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9713894453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9713894395 and 9713894404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9713894413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4856947226 + 4856947227.

It is an arithmetic number, because the mean of its divisors is an integer number (4856947227).

Almost surely, 2^9713894453 is an apocalyptic number.

It is an amenable number.

9713894453 is a deficient number, since it is larger than the sum of its proper divisors (1).

9713894453 is an equidigital number, since it uses as much as digits as its factorization.

9713894453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The square root of 9713894453 is about 98559.0911737725. The cubic root of 9713894453 is about 2133.6890417905.

The spelling of 9713894453 in words is "nine billion, seven hundred thirteen million, eight hundred ninety-four thousand, four hundred fifty-three".