1343321953 has 2 divisors, whose sum is σ = 1343321954. Its totient is φ = 1343321952.

The previous prime is 1343321951. The next prime is 1343322007. The reversal of 1343321953 is 3591233431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1051834624 + 291487329 = 32432^2 + 17073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343321953 - 2¹ = 1343321951 is a prime.

Together with 1343321951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1343321951) 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, 671660976 + 671660977.

It is an arithmetic number, because the mean of its divisors is an integer number (671660977).

Almost surely, 2^1343321953 is an apocalyptic number.

It is an amenable number.

1343321953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343321953 is an equidigital number, since it uses as much as digits as its factorization.

1343321953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 34.

The square root of 1343321953 is about 36651.3567688837. The cubic root of 1343321953 is about 1103.3840559756.

The spelling of 1343321953 in words is "one billion, three hundred forty-three million, three hundred twenty-one thousand, nine hundred fifty-three".