810932791063 has 2 divisors, whose sum is σ = 810932791064. Its totient is φ = 810932791062.

The previous prime is 810932791013. The next prime is 810932791069. The reversal of 810932791063 is 360197239018.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 810932791063 - 2²⁹ = 810395920151 is a prime.

It is a super-2 number, since 2×810932791063² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 810932790998 and 810932791016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810932791069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405466395531 + 405466395532.

It is an arithmetic number, because the mean of its divisors is an integer number (405466395532).

Almost surely, 2^810932791063 is an apocalyptic number.

810932791063 is a deficient number, since it is larger than the sum of its proper divisors (1).

810932791063 is an equidigital number, since it uses as much as digits as its factorization.

810932791063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 810932791063 in words is "eight hundred ten billion, nine hundred thirty-two million, seven hundred ninety-one thousand, sixty-three".