1349161213 has 2 divisors, whose sum is σ = 1349161214. Its totient is φ = 1349161212.

The previous prime is 1349161207. The next prime is 1349161243. The reversal of 1349161213 is 3121619431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311743524 + 37417689 = 36218^2 + 6117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1349161213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349161243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674580606 + 674580607.

It is an arithmetic number, because the mean of its divisors is an integer number (674580607).

Almost surely, 2^1349161213 is an apocalyptic number.

It is an amenable number.

1349161213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349161213 is an equidigital number, since it uses as much as digits as its factorization.

1349161213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 31.

The square root of 1349161213 is about 36730.9299228865. The cubic root of 1349161213 is about 1104.9805045597.

The spelling of 1349161213 in words is "one billion, three hundred forty-nine million, one hundred sixty-one thousand, two hundred thirteen".