5649872533 has 2 divisors, whose sum is σ = 5649872534. Its totient is φ = 5649872532.

The previous prime is 5649872507. The next prime is 5649872581. The reversal of 5649872533 is 3352789465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4712410609 + 937461924 = 68647^2 + 30618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5649872533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5649872593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2824936266 + 2824936267.

It is an arithmetic number, because the mean of its divisors is an integer number (2824936267).

Almost surely, 2^5649872533 is an apocalyptic number.

It is an amenable number.

5649872533 is a deficient number, since it is larger than the sum of its proper divisors (1).

5649872533 is an equidigital number, since it uses as much as digits as its factorization.

5649872533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 52.

The square root of 5649872533 is about 75165.6339892108. The cubic root of 5649872533 is about 1781.0641002045.

The spelling of 5649872533 in words is "five billion, six hundred forty-nine million, eight hundred seventy-two thousand, five hundred thirty-three".