864422334557029 has 2 divisors, whose sum is σ = 864422334557030. Its totient is φ = 864422334557028.

The previous prime is 864422334557011. The next prime is 864422334557063. The reversal of 864422334557029 is 920755433224468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 725948042956929 + 138474291600100 = 26943423^2 + 11767510^2 .

It is a cyclic number.

It is not a de Polignac number, because 864422334557029 - 2³¹ = 864420187073381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864422334557009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432211167278514 + 432211167278515.

It is an arithmetic number, because the mean of its divisors is an integer number (432211167278515).

Almost surely, 2^{864422334557029} is an apocalyptic number.

It is an amenable number.

864422334557029 is a deficient number, since it is larger than the sum of its proper divisors (1).

864422334557029 is an equidigital number, since it uses as much as digits as its factorization.

864422334557029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 348364800, while the sum is 64.

The spelling of 864422334557029 in words is "eight hundred sixty-four trillion, four hundred twenty-two billion, three hundred thirty-four million, five hundred fifty-seven thousand, twenty-nine".