863464369 has 2 divisors, whose sum is σ = 863464370. Its totient is φ = 863464368.

The previous prime is 863464339. The next prime is 863464373. The reversal of 863464369 is 963464368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495285025 + 368179344 = 22255^2 + 19188^2 .

It is a cyclic number.

It is not a de Polignac number, because 863464369 - 2¹³ = 863456177 is a prime.

It is a super-2 number, since 2×863464369² = 1491141433065136322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (863464339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431732184 + 431732185.

It is an arithmetic number, because the mean of its divisors is an integer number (431732185).

Almost surely, 2^863464369 is an apocalyptic number.

It is an amenable number.

863464369 is a deficient number, since it is larger than the sum of its proper divisors (1).

863464369 is an equidigital number, since it uses as much as digits as its factorization.

863464369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 49.

The square root of 863464369 is about 29384.7642325066. The cubic root of 863464369 is about 952.2437707693.

Subtracting 863464369 from its reverse (963464368), we obtain a palindrome (99999999).

The spelling of 863464369 in words is "eight hundred sixty-three million, four hundred sixty-four thousand, three hundred sixty-nine".