863434433 has 2 divisors, whose sum is σ = 863434434. Its totient is φ = 863434432.

The previous prime is 863434399. The next prime is 863434441. The reversal of 863434433 is 334434368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 727758529 + 135675904 = 26977^2 + 11648^2 .

It is a cyclic number.

It is not a de Polignac number, because 863434433 - 2²⁰ = 862385857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (863434333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431717216 + 431717217.

It is an arithmetic number, because the mean of its divisors is an integer number (431717217).

Almost surely, 2^863434433 is an apocalyptic number.

It is an amenable number.

863434433 is a deficient number, since it is larger than the sum of its proper divisors (1).

863434433 is an equidigital number, since it uses as much as digits as its factorization.

863434433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 38.

The square root of 863434433 is about 29384.2548484728. The cubic root of 863434433 is about 952.2327659922.

The spelling of 863434433 in words is "eight hundred sixty-three million, four hundred thirty-four thousand, four hundred thirty-three".