812314739 has 2 divisors, whose sum is σ = 812314740. Its totient is φ = 812314738.

The previous prime is 812314721. The next prime is 812314777. The reversal of 812314739 is 937413218.

812314739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (812314777) can be obtained adding 812314739 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 812314739 - 2¹⁶ = 812249203 is a prime.

It is not a weakly prime, because it can be changed into another prime (812314799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406157369 + 406157370.

It is an arithmetic number, because the mean of its divisors is an integer number (406157370).

Almost surely, 2^812314739 is an apocalyptic number.

812314739 is a deficient number, since it is larger than the sum of its proper divisors (1).

812314739 is an equidigital number, since it uses as much as digits as its factorization.

812314739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 812314739 is about 28501.1357492995. The cubic root of 812314739 is about 933.0568618902.

The spelling of 812314739 in words is "eight hundred twelve million, three hundred fourteen thousand, seven hundred thirty-nine".