996716453 has 2 divisors, whose sum is σ = 996716454. Its totient is φ = 996716452.

The previous prime is 996716423. The next prime is 996716467. The reversal of 996716453 is 354617699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992124004 + 4592449 = 31498^2 + 2143^2 .

It is an emirp because it is prime and its reverse (354617699) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 996716453 - 2⁸ = 996716197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996716423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498358226 + 498358227.

It is an arithmetic number, because the mean of its divisors is an integer number (498358227).

Almost surely, 2^996716453 is an apocalyptic number.

It is an amenable number.

996716453 is a deficient number, since it is larger than the sum of its proper divisors (1).

996716453 is an equidigital number, since it uses as much as digits as its factorization.

996716453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 996716453 is about 31570.8164766133. The cubic root of 996716453 is about 998.9042841787.

The spelling of 996716453 in words is "nine hundred ninety-six million, seven hundred sixteen thousand, four hundred fifty-three".