1343644207 has 2 divisors, whose sum is σ = 1343644208. Its totient is φ = 1343644206.

The previous prime is 1343644193. The next prime is 1343644217. The reversal of 1343644207 is 7024463431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343644207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343644217) 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, 671822103 + 671822104.

It is an arithmetic number, because the mean of its divisors is an integer number (671822104).

Almost surely, 2^1343644207 is an apocalyptic number.

1343644207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343644207 is an equidigital number, since it uses as much as digits as its factorization.

1343644207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 1343644207 is about 36655.7527135919. The cubic root of 1343644207 is about 1103.4722804194.

The spelling of 1343644207 in words is "one billion, three hundred forty-three million, six hundred forty-four thousand, two hundred seven".