1343305049 has 2 divisors, whose sum is σ = 1343305050. Its totient is φ = 1343305048.

The previous prime is 1343305021. The next prime is 1343305109. The reversal of 1343305049 is 9405033431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814075024 + 529230025 = 28532^2 + 23005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343305049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343305009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671652524 + 671652525.

It is an arithmetic number, because the mean of its divisors is an integer number (671652525).

Almost surely, 2^1343305049 is an apocalyptic number.

It is an amenable number.

1343305049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343305049 is an equidigital number, since it uses as much as digits as its factorization.

1343305049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 1343305049 is about 36651.1261627798. The cubic root of 1343305049 is about 1103.3794277274.

The spelling of 1343305049 in words is "one billion, three hundred forty-three million, three hundred five thousand, forty-nine".