864043463 has 2 divisors, whose sum is σ = 864043464. Its totient is φ = 864043462.

The previous prime is 864043447. The next prime is 864043559. The reversal of 864043463 is 364340468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 864043463 - 2⁴ = 864043447 is a prime.

It is a super-2 number, since 2×864043463² = 1493142211906064738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (864043423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432021731 + 432021732.

It is an arithmetic number, because the mean of its divisors is an integer number (432021732).

Almost surely, 2^864043463 is an apocalyptic number.

864043463 is a deficient number, since it is larger than the sum of its proper divisors (1).

864043463 is an equidigital number, since it uses as much as digits as its factorization.

864043463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 864043463 is about 29394.6162247443. The cubic root of 864043463 is about 952.4566015640.

The spelling of 864043463 in words is "eight hundred sixty-four million, forty-three thousand, four hundred sixty-three".