864294293 has 2 divisors, whose sum is σ = 864294294. Its totient is φ = 864294292.

The previous prime is 864294259. The next prime is 864294313. The reversal of 864294293 is 392492468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731053444 + 133240849 = 27038^2 + 11543^2 .

It is a cyclic number.

It is not a de Polignac number, because 864294293 - 2²⁰ = 863245717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864294493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432147146 + 432147147.

It is an arithmetic number, because the mean of its divisors is an integer number (432147147).

Almost surely, 2^864294293 is an apocalyptic number.

It is an amenable number.

864294293 is a deficient number, since it is larger than the sum of its proper divisors (1).

864294293 is an equidigital number, since it uses as much as digits as its factorization.

864294293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 47.

The square root of 864294293 is about 29398.8825127759. The cubic root of 864294293 is about 952.5487580297.

The spelling of 864294293 in words is "eight hundred sixty-four million, two hundred ninety-four thousand, two hundred ninety-three".