1343552009 has 2 divisors, whose sum is σ = 1343552010. Its totient is φ = 1343552008.

The previous prime is 1343551981. The next prime is 1343552051. The reversal of 1343552009 is 9002553431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1130304400 + 213247609 = 33620^2 + 14603^2 .

It is an emirp because it is prime and its reverse (9002553431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1343552009 - 2¹² = 1343547913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343552209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671776004 + 671776005.

It is an arithmetic number, because the mean of its divisors is an integer number (671776005).

Almost surely, 2^1343552009 is an apocalyptic number.

It is an amenable number.

1343552009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343552009 is an equidigital number, since it uses as much as digits as its factorization.

1343552009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 1343552009 is about 36654.4950722282. The cubic root of 1343552009 is about 1103.4470405372.

The spelling of 1343552009 in words is "one billion, three hundred forty-three million, five hundred fifty-two thousand, nine".