1339112449 has 2 divisors, whose sum is σ = 1339112450. Its totient is φ = 1339112448.

The previous prime is 1339112429. The next prime is 1339112461. The reversal of 1339112449 is 9442119331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040514049 + 298598400 = 32257^2 + 17280^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339112449 - 2⁹ = 1339111937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1339112429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669556224 + 669556225.

It is an arithmetic number, because the mean of its divisors is an integer number (669556225).

Almost surely, 2^1339112449 is an apocalyptic number.

It is an amenable number.

1339112449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339112449 is an equidigital number, since it uses as much as digits as its factorization.

1339112449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 1339112449 is about 36593.8854045317. The cubic root of 1339112449 is about 1102.2303093066.

The spelling of 1339112449 in words is "one billion, three hundred thirty-nine million, one hundred twelve thousand, four hundred forty-nine".