2533937509 has 2 divisors, whose sum is σ = 2533937510. Its totient is φ = 2533937508.

The previous prime is 2533937507. The next prime is 2533937557. The reversal of 2533937509 is 9057393352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2148600609 + 385336900 = 46353^2 + 19630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533937509 - 2¹ = 2533937507 is a prime.

Together with 2533937507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2533937501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266968754 + 1266968755.

It is an arithmetic number, because the mean of its divisors is an integer number (1266968755).

Almost surely, 2^2533937509 is an apocalyptic number.

It is an amenable number.

2533937509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2533937509 is an equidigital number, since it uses as much as digits as its factorization.

2533937509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 765450, while the sum is 46.

The square root of 2533937509 is about 50338.2310873157. The cubic root of 2533937509 is about 1363.3225977731.

The spelling of 2533937509 in words is "two billion, five hundred thirty-three million, nine hundred thirty-seven thousand, five hundred nine".