5869646449 has 2 divisors, whose sum is σ = 5869646450. Its totient is φ = 5869646448.

The previous prime is 5869646407. The next prime is 5869646473. The reversal of 5869646449 is 9446469685.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5165009424 + 704637025 = 71868^2 + 26545^2 .

It is a cyclic number.

It is not a de Polignac number, because 5869646449 - 2⁹ = 5869645937 is a prime.

It is not a weakly prime, because it can be changed into another prime (5869646479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2934823224 + 2934823225.

It is an arithmetic number, because the mean of its divisors is an integer number (2934823225).

Almost surely, 2^5869646449 is an apocalyptic number.

It is an amenable number.

5869646449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5869646449 is an equidigital number, since it uses as much as digits as its factorization.

5869646449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44789760, while the sum is 61.

The square root of 5869646449 is about 76613.6179083066. The cubic root of 5869646449 is about 1803.8647874209.

The spelling of 5869646449 in words is "five billion, eight hundred sixty-nine million, six hundred forty-six thousand, four hundred forty-nine".