1343124449 has 2 divisors, whose sum is σ = 1343124450. Its totient is φ = 1343124448.

The previous prime is 1343124443. The next prime is 1343124469. The reversal of 1343124449 is 9444213431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1341903424 + 1221025 = 36632^2 + 1105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343124449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343124443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671562224 + 671562225.

It is an arithmetic number, because the mean of its divisors is an integer number (671562225).

Almost surely, 2^1343124449 is an apocalyptic number.

It is an amenable number.

1343124449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343124449 is an equidigital number, since it uses as much as digits as its factorization.

1343124449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 1343124449 is about 36648.6623084663. The cubic root of 1343124449 is about 1103.3299777394.

The spelling of 1343124449 in words is "one billion, three hundred forty-three million, one hundred twenty-four thousand, four hundred forty-nine".