5269643441 has 2 divisors, whose sum is σ = 5269643442. Its totient is φ = 5269643440.

The previous prime is 5269643399. The next prime is 5269643497. The reversal of 5269643441 is 1443469625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4491010225 + 778633216 = 67015^2 + 27904^2 .

It is a cyclic number.

It is not a de Polignac number, because 5269643441 - 2⁶ = 5269643377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5269643392 and 5269643401.

It is not a weakly prime, because it can be changed into another prime (5269643741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2634821720 + 2634821721.

It is an arithmetic number, because the mean of its divisors is an integer number (2634821721).

Almost surely, 2^5269643441 is an apocalyptic number.

It is an amenable number.

5269643441 is a deficient number, since it is larger than the sum of its proper divisors (1).

5269643441 is an equidigital number, since it uses as much as digits as its factorization.

5269643441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 44.

The square root of 5269643441 is about 72592.3097924291. The cubic root of 5269643441 is about 1740.1782792844.

The spelling of 5269643441 in words is "five billion, two hundred sixty-nine million, six hundred forty-three thousand, four hundred forty-one".