1349679913 has 2 divisors, whose sum is σ = 1349679914. Its totient is φ = 1349679912.

The previous prime is 1349679901. The next prime is 1349679937. The reversal of 1349679913 is 3199769431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1255143184 + 94536729 = 35428^2 + 9723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1349679913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1349679983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674839956 + 674839957.

It is an arithmetic number, because the mean of its divisors is an integer number (674839957).

Almost surely, 2^1349679913 is an apocalyptic number.

It is an amenable number.

1349679913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349679913 is an equidigital number, since it uses as much as digits as its factorization.

1349679913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 52.

The square root of 1349679913 is about 36737.9900511718. The cubic root of 1349679913 is about 1105.1220937551.

The spelling of 1349679913 in words is "one billion, three hundred forty-nine million, six hundred seventy-nine thousand, nine hundred thirteen".