733537489 has 2 divisors, whose sum is σ = 733537490. Its totient is φ = 733537488.

The previous prime is 733537487. The next prime is 733537523. The reversal of 733537489 is 984735337.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 665227264 + 68310225 = 25792^2 + 8265^2 .

It is a cyclic number.

It is not a de Polignac number, because 733537489 - 2¹ = 733537487 is a prime.

Together with 733537487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (733537481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366768744 + 366768745.

It is an arithmetic number, because the mean of its divisors is an integer number (366768745).

Almost surely, 2^733537489 is an apocalyptic number.

It is an amenable number.

733537489 is a deficient number, since it is larger than the sum of its proper divisors (1).

733537489 is an equidigital number, since it uses as much as digits as its factorization.

733537489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The square root of 733537489 is about 27083.8972269502. The cubic root of 733537489 is about 901.8634186179.

The spelling of 733537489 in words is "seven hundred thirty-three million, five hundred thirty-seven thousand, four hundred eighty-nine".