1349161243 has 2 divisors, whose sum is σ = 1349161244. Its totient is φ = 1349161242.

The previous prime is 1349161213. The next prime is 1349161267. The reversal of 1349161243 is 3421619431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1349161243 - 2¹⁷ = 1349030171 is a prime.

It is a super-2 number, since 2×1349161243² = 3640472119226610098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1349161199 and 1349161208.

It is not a weakly prime, because it can be changed into another prime (1349161213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674580621 + 674580622.

It is an arithmetic number, because the mean of its divisors is an integer number (674580622).

Almost surely, 2^1349161243 is an apocalyptic number.

1349161243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349161243 is an equidigital number, since it uses as much as digits as its factorization.

1349161243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 1349161243 is about 36730.9303312617. The cubic root of 1349161243 is about 1104.9805127498.

The spelling of 1349161243 in words is "one billion, three hundred forty-nine million, one hundred sixty-one thousand, two hundred forty-three".