1369332709 has 2 divisors, whose sum is σ = 1369332710. Its totient is φ = 1369332708.

The previous prime is 1369332659. The next prime is 1369332743. The reversal of 1369332709 is 9072339631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 873379809 + 495952900 = 29553^2 + 22270^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369332709 - 2⁹ = 1369332197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1369332749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684666354 + 684666355.

It is an arithmetic number, because the mean of its divisors is an integer number (684666355).

Almost surely, 2^1369332709 is an apocalyptic number.

It is an amenable number.

1369332709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369332709 is an equidigital number, since it uses as much as digits as its factorization.

1369332709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 43.

The square root of 1369332709 is about 37004.4957944302. The cubic root of 1369332709 is about 1110.4601909178.

The spelling of 1369332709 in words is "one billion, three hundred sixty-nine million, three hundred thirty-two thousand, seven hundred nine".