1323764513 has 2 divisors, whose sum is σ = 1323764514. Its totient is φ = 1323764512.

The previous prime is 1323764509. The next prime is 1323764521. The reversal of 1323764513 is 3154673231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 816073489 + 507691024 = 28567^2 + 22532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323764513 - 2² = 1323764509 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323764543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661882256 + 661882257.

It is an arithmetic number, because the mean of its divisors is an integer number (661882257).

Almost surely, 2^1323764513 is an apocalyptic number.

It is an amenable number.

1323764513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323764513 is an equidigital number, since it uses as much as digits as its factorization.

1323764513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 1323764513 is about 36383.5747693929. The cubic root of 1323764513 is about 1098.0031300957.

The spelling of 1323764513 in words is "one billion, three hundred twenty-three million, seven hundred sixty-four thousand, five hundred thirteen".