810158864453 has 2 divisors, whose sum is σ = 810158864454. Its totient is φ = 810158864452.

The previous prime is 810158864441. The next prime is 810158864461. The reversal of 810158864453 is 354468851018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486788080804 + 323370783649 = 697702^2 + 568657^2 .

It is a cyclic number.

It is not a de Polignac number, because 810158864453 - 2⁸ = 810158864197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 810158864395 and 810158864404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810158861453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405079432226 + 405079432227.

It is an arithmetic number, because the mean of its divisors is an integer number (405079432227).

Almost surely, 2^810158864453 is an apocalyptic number.

It is an amenable number.

810158864453 is a deficient number, since it is larger than the sum of its proper divisors (1).

810158864453 is an equidigital number, since it uses as much as digits as its factorization.

810158864453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 810158864453 in words is "eight hundred ten billion, one hundred fifty-eight million, eight hundred sixty-four thousand, four hundred fifty-three".