1343340049 has 2 divisors, whose sum is σ = 1343340050. Its totient is φ = 1343340048.

The previous prime is 1343340013. The next prime is 1343340073. The reversal of 1343340049 is 9400433431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1137847824 + 205492225 = 33732^2 + 14335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343340049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1343340049.

It is not a weakly prime, because it can be changed into another prime (1343340079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671670024 + 671670025.

It is an arithmetic number, because the mean of its divisors is an integer number (671670025).

Almost surely, 2^1343340049 is an apocalyptic number.

It is an amenable number.

1343340049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343340049 is an equidigital number, since it uses as much as digits as its factorization.

1343340049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1343340049 is about 36651.6036347661. The cubic root of 1343340049 is about 1103.3890105456.

The spelling of 1343340049 in words is "one billion, three hundred forty-three million, three hundred forty thousand, forty-nine".