1343206747 has 2 divisors, whose sum is σ = 1343206748. Its totient is φ = 1343206746.

The previous prime is 1343206723. The next prime is 1343206751. The reversal of 1343206747 is 7476023431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343206747 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343206147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671603373 + 671603374.

It is an arithmetic number, because the mean of its divisors is an integer number (671603374).

Almost surely, 2^1343206747 is an apocalyptic number.

1343206747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343206747 is an equidigital number, since it uses as much as digits as its factorization.

1343206747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 1343206747 is about 36649.7850880466. The cubic root of 1343206747 is about 1103.3525122598.

The spelling of 1343206747 in words is "one billion, three hundred forty-three million, two hundred six thousand, seven hundred forty-seven".