1349336269 has 4 divisors (see below), whose sum is σ = 1350789660. Its totient is φ = 1347882880.

The previous prime is 1349336203. The next prime is 1349336279. The reversal of 1349336269 is 9626339431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 310112100 + 1039224169 = 17610^2 + 32237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1349336269 is a prime.

It is a super-2 number, since 2×1349336269² = 3641416733677680722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1349336279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 725302 + ... + 727159.

It is an arithmetic number, because the mean of its divisors is an integer number (337697415).

Almost surely, 2^1349336269 is an apocalyptic number.

It is an amenable number.

1349336269 is a deficient number, since it is larger than the sum of its proper divisors (1453391).

1349336269 is an equidigital number, since it uses as much as digits as its factorization.

1349336269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453390.

The product of its digits is 629856, while the sum is 46.

The square root of 1349336269 is about 36733.3127964250. The cubic root of 1349336269 is about 1105.0282935365.

The spelling of 1349336269 in words is "one billion, three hundred forty-nine million, three hundred thirty-six thousand, two hundred sixty-nine".