1343002609 has 9 divisors (see below), whose sum is σ = 1454773323. Its totient is φ = 1239254952.

The previous prime is 1343002603. The next prime is 1343002621. The reversal of 1343002609 is 9062003431.

The square root of 1343002609 is 36647.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 198669025 + 1144333584 = 14095^2 + 33828^2 .

It is not a de Polignac number, because 1343002609 - 2⁷ = 1343002481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343002603) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 475002 + ... + 477820.

Almost surely, 2^1343002609 is an apocalyptic number.

1343002609 is the 36647-th square number.

1343002609 is the 18324-th centered octagonal number.

It is an amenable number.

1343002609 is a deficient number, since it is larger than the sum of its proper divisors (111770714).

1343002609 is an frugal number, since it uses more digits than its factorization.

1343002609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The cubic root of 1343002609 is about 1103.2966142910.

The spelling of 1343002609 in words is "one billion, three hundred forty-three million, two thousand, six hundred nine".