864956629 has 2 divisors, whose sum is σ = 864956630. Its totient is φ = 864956628.

The previous prime is 864956593. The next prime is 864956647. The reversal of 864956629 is 926659468.

It is a happy number.

864956629 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 can be written as a sum of positive squares in only one way, i.e., 778968100 + 85988529 = 27910^2 + 9273^2 .

It is a cyclic number.

It is not a de Polignac number, because 864956629 - 2¹¹ = 864954581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 864956629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864956689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432478314 + 432478315.

It is an arithmetic number, because the mean of its divisors is an integer number (432478315).

Almost surely, 2^864956629 is an apocalyptic number.

It is an amenable number.

864956629 is a deficient number, since it is larger than the sum of its proper divisors (1).

864956629 is an equidigital number, since it uses as much as digits as its factorization.

864956629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5598720, while the sum is 55.

The square root of 864956629 is about 29410.1450013426. The cubic root of 864956629 is about 952.7920186284.

The spelling of 864956629 in words is "eight hundred sixty-four million, nine hundred fifty-six thousand, six hundred twenty-nine".