812183963 has 2 divisors, whose sum is σ = 812183964. Its totient is φ = 812183962.

The previous prime is 812183941. The next prime is 812183969. The reversal of 812183963 is 369381218.

812183963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 812183963 - 2¹² = 812179867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 812183963.

It is not a weakly prime, because it can be changed into another prime (812183969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406091981 + 406091982.

It is an arithmetic number, because the mean of its divisors is an integer number (406091982).

Almost surely, 2^812183963 is an apocalyptic number.

812183963 is a deficient number, since it is larger than the sum of its proper divisors (1).

812183963 is an equidigital number, since it uses as much as digits as its factorization.

812183963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 812183963 is about 28498.8414325916. The cubic root of 812183963 is about 933.0067877063.

The spelling of 812183963 in words is "eight hundred twelve million, one hundred eighty-three thousand, nine hundred sixty-three".