863312969 has 2 divisors, whose sum is σ = 863312970. Its totient is φ = 863312968.

The previous prime is 863312951. The next prime is 863312999. The reversal of 863312969 is 969213368.

863312969 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., 838681600 + 24631369 = 28960^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 863312969 - 2⁸ = 863312713 is a prime.

It is a super-2 number, since 2×863312969² = 1490618564887189922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (863312909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431656484 + 431656485.

It is an arithmetic number, because the mean of its divisors is an integer number (431656485).

Almost surely, 2^863312969 is an apocalyptic number.

It is an amenable number.

863312969 is a deficient number, since it is larger than the sum of its proper divisors (1).

863312969 is an equidigital number, since it uses as much as digits as its factorization.

863312969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 47.

The square root of 863312969 is about 29382.1879546095. The cubic root of 863312969 is about 952.1881119840.

The spelling of 863312969 in words is "eight hundred sixty-three million, three hundred twelve thousand, nine hundred sixty-nine".