810674523509713 has 2 divisors, whose sum is σ = 810674523509714. Its totient is φ = 810674523509712.

The previous prime is 810674523509707. The next prime is 810674523509771. The reversal of 810674523509713 is 317905325476018.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 681651004751809 + 129023518757904 = 26108447^2 + 11358852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-810674523509713 is a prime.

It is not a weakly prime, because it can be changed into another prime (810674523509113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405337261754856 + 405337261754857.

It is an arithmetic number, because the mean of its divisors is an integer number (405337261754857).

It is a 1-persistent number, because it is pandigital, but 2⋅810674523509713 = 1621349047019426 is not.

Almost surely, 2^{810674523509713} is an apocalyptic number.

It is an amenable number.

810674523509713 is a deficient number, since it is larger than the sum of its proper divisors (1).

810674523509713 is an equidigital number, since it uses as much as digits as its factorization.

810674523509713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 810674523509713 in words is "eight hundred ten trillion, six hundred seventy-four billion, five hundred twenty-three million, five hundred nine thousand, seven hundred thirteen".