1347655849 has 2 divisors, whose sum is σ = 1347655850. Its totient is φ = 1347655848.

The previous prime is 1347655843. The next prime is 1347655861. The reversal of 1347655849 is 9485567431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1154640400 + 193015449 = 33980^2 + 13893^2 .

It is an emirp because it is prime and its reverse (9485567431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1347655849 - 2¹³ = 1347647657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1347655796 and 1347655805.

It is not a weakly prime, because it can be changed into another prime (1347655843) 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, 673827924 + 673827925.

It is an arithmetic number, because the mean of its divisors is an integer number (673827925).

Almost surely, 2^1347655849 is an apocalyptic number.

It is an amenable number.

1347655849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347655849 is an equidigital number, since it uses as much as digits as its factorization.

1347655849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 52.

The square root of 1347655849 is about 36710.4324273087. The cubic root of 1347655849 is about 1104.5693807442.

The spelling of 1347655849 in words is "one billion, three hundred forty-seven million, six hundred fifty-five thousand, eight hundred forty-nine".