736823489 has 2 divisors, whose sum is σ = 736823490. Its totient is φ = 736823488.

The previous prime is 736823473. The next prime is 736823491. The reversal of 736823489 is 984328637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 652036225 + 84787264 = 25535^2 + 9208^2 .

It is an emirp because it is prime and its reverse (984328637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 736823489 - 2⁴ = 736823473 is a prime.

Together with 736823491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (736823419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368411744 + 368411745.

It is an arithmetic number, because the mean of its divisors is an integer number (368411745).

Almost surely, 2^736823489 is an apocalyptic number.

It is an amenable number.

736823489 is a deficient number, since it is larger than the sum of its proper divisors (1).

736823489 is an equidigital number, since it uses as much as digits as its factorization.

736823489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 50.

The square root of 736823489 is about 27144.4927931984. The cubic root of 736823489 is about 903.2080938045.

The spelling of 736823489 in words is "seven hundred thirty-six million, eight hundred twenty-three thousand, four hundred eighty-nine".