1349707291 has 2 divisors, whose sum is σ = 1349707292. Its totient is φ = 1349707290.

The previous prime is 1349707283. The next prime is 1349707327. The reversal of 1349707291 is 1927079431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1349707291 - 2³ = 1349707283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1349707211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674853645 + 674853646.

It is an arithmetic number, because the mean of its divisors is an integer number (674853646).

Almost surely, 2^1349707291 is an apocalyptic number.

1349707291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349707291 is an equidigital number, since it uses as much as digits as its factorization.

1349707291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 1349707291 is about 36738.3626608481. The cubic root of 1349707291 is about 1105.1295661016.

The spelling of 1349707291 in words is "one billion, three hundred forty-nine million, seven hundred seven thousand, two hundred ninety-one".