1369239329 has 2 divisors, whose sum is σ = 1369239330. Its totient is φ = 1369239328.

The previous prime is 1369239317. The next prime is 1369239371. The reversal of 1369239329 is 9239329631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191630400 + 177608929 = 34520^2 + 13327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369239329 - 2²⁴ = 1352462113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1369239829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684619664 + 684619665.

It is an arithmetic number, because the mean of its divisors is an integer number (684619665).

Almost surely, 2^1369239329 is an apocalyptic number.

It is an amenable number.

1369239329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369239329 is an equidigital number, since it uses as much as digits as its factorization.

1369239329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472392, while the sum is 47.

The square root of 1369239329 is about 37003.2340343381. The cubic root of 1369239329 is about 1110.4349481775.

The spelling of 1369239329 in words is "one billion, three hundred sixty-nine million, two hundred thirty-nine thousand, three hundred twenty-nine".