812696550063 has 8 divisors (see below), whose sum is σ = 1104040596528. Its totient is φ = 531575101824.

The previous prime is 812696550049. The next prime is 812696550091. The reversal of 812696550063 is 360055696218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 812696550063 - 2⁸ = 812696549807 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 812696549988 and 812696550015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812696540063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2555649370 + ... + 2555649687.

It is an arithmetic number, because the mean of its divisors is an integer number (138005074566).

Almost surely, 2^812696550063 is an apocalyptic number.

812696550063 is a deficient number, since it is larger than the sum of its proper divisors (291344046465).

812696550063 is a wasteful number, since it uses less digits than its factorization.

812696550063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111299113.

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 812696550063 in words is "eight hundred twelve billion, six hundred ninety-six million, five hundred fifty thousand, sixty-three".