1344239497 has 2 divisors, whose sum is σ = 1344239498. Its totient is φ = 1344239496.

The previous prime is 1344239467. The next prime is 1344239503. The reversal of 1344239497 is 7949324431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1163901456 + 180338041 = 34116^2 + 13429^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344239497 - 2¹⁹ = 1343715209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344239467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672119748 + 672119749.

It is an arithmetic number, because the mean of its divisors is an integer number (672119749).

Almost surely, 2^1344239497 is an apocalyptic number.

It is an amenable number.

1344239497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344239497 is an equidigital number, since it uses as much as digits as its factorization.

1344239497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The square root of 1344239497 is about 36663.8718222721. The cubic root of 1344239497 is about 1103.6352176575.

The spelling of 1344239497 in words is "one billion, three hundred forty-four million, two hundred thirty-nine thousand, four hundred ninety-seven".