1361482909 has 2 divisors, whose sum is σ = 1361482910. Its totient is φ = 1361482908.

The previous prime is 1361482897. The next prime is 1361482939. The reversal of 1361482909 is 9092841631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354608025 + 6874884 = 36805^2 + 2622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361482909 - 2¹⁷ = 1361351837 is a prime.

It is a super-2 number, since 2×1361482909² = 3707271422998204562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361482939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680741454 + 680741455.

It is an arithmetic number, because the mean of its divisors is an integer number (680741455).

Almost surely, 2^1361482909 is an apocalyptic number.

It is an amenable number.

1361482909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361482909 is an equidigital number, since it uses as much as digits as its factorization.

1361482909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 1361482909 is about 36898.2778595424. The cubic root of 1361482909 is about 1108.3341917996.

The spelling of 1361482909 in words is "one billion, three hundred sixty-one million, four hundred eighty-two thousand, nine hundred nine".