813061682633 has 2 divisors, whose sum is σ = 813061682634. Its totient is φ = 813061682632.

The previous prime is 813061682591. The next prime is 813061682707. The reversal of 813061682633 is 336286160318.

813061682633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 812138008969 + 923673664 = 901187^2 + 30392^2 .

It is a cyclic number.

It is not a de Polignac number, because 813061682633 - 2²⁴ = 813044905417 is a prime.

It is a super-2 number, since 2×813061682633² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (813061682333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406530841316 + 406530841317.

It is an arithmetic number, because the mean of its divisors is an integer number (406530841317).

Almost surely, 2^813061682633 is an apocalyptic number.

It is an amenable number.

813061682633 is a deficient number, since it is larger than the sum of its proper divisors (1).

813061682633 is an equidigital number, since it uses as much as digits as its factorization.

813061682633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 813061682633 in words is "eight hundred thirteen billion, sixty-one million, six hundred eighty-two thousand, six hundred thirty-three".