1343783963 has 2 divisors, whose sum is σ = 1343783964. Its totient is φ = 1343783962.

The previous prime is 1343783957. The next prime is 1343783999. The reversal of 1343783963 is 3693873431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1343783963 - 2²² = 1339589659 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343783563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671891981 + 671891982.

It is an arithmetic number, because the mean of its divisors is an integer number (671891982).

Almost surely, 2^1343783963 is an apocalyptic number.

1343783963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343783963 is an equidigital number, since it uses as much as digits as its factorization.

1343783963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 47.

The square root of 1343783963 is about 36657.6589950859. The cubic root of 1343783963 is about 1103.5105374532.

The spelling of 1343783963 in words is "one billion, three hundred forty-three million, seven hundred eighty-three thousand, nine hundred sixty-three".