863334708493 has 2 divisors, whose sum is σ = 863334708494. Its totient is φ = 863334708492.

The previous prime is 863334708461. The next prime is 863334708503. The reversal of 863334708493 is 394807433368.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 814060476009 + 49274232484 = 902253^2 + 221978^2 .

It is a cyclic number.

It is not a de Polignac number, because 863334708493 - 2⁵ = 863334708461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863334703493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431667354246 + 431667354247.

It is an arithmetic number, because the mean of its divisors is an integer number (431667354247).

Almost surely, 2^863334708493 is an apocalyptic number.

It is an amenable number.

863334708493 is a deficient number, since it is larger than the sum of its proper divisors (1).

863334708493 is an equidigital number, since it uses as much as digits as its factorization.

863334708493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 58.

The spelling of 863334708493 in words is "eight hundred sixty-three billion, three hundred thirty-four million, seven hundred eight thousand, four hundred ninety-three".