1343999533 has 2 divisors, whose sum is σ = 1343999534. Its totient is φ = 1343999532.

The previous prime is 1343999521. The next prime is 1343999551. The reversal of 1343999533 is 3359993431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1194255364 + 149744169 = 34558^2 + 12237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343999533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1343999563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671999766 + 671999767.

It is an arithmetic number, because the mean of its divisors is an integer number (671999767).

Almost surely, 2^1343999533 is an apocalyptic number.

It is an amenable number.

1343999533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343999533 is an equidigital number, since it uses as much as digits as its factorization.

1343999533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1180980, while the sum is 49.

The square root of 1343999533 is about 36660.5991904115. The cubic root of 1343999533 is about 1103.5695427332.

The spelling of 1343999533 in words is "one billion, three hundred forty-three million, nine hundred ninety-nine thousand, five hundred thirty-three".