1338079529 has 2 divisors, whose sum is σ = 1338079530. Its totient is φ = 1338079528.

The previous prime is 1338079453. The next prime is 1338079543. The reversal of 1338079529 is 9259708331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308485929 + 29593600 = 36173^2 + 5440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338079529 - 2⁸ = 1338079273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1338078529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669039764 + 669039765.

It is an arithmetic number, because the mean of its divisors is an integer number (669039765).

Almost surely, 2^1338079529 is an apocalyptic number.

It is an amenable number.

1338079529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338079529 is an equidigital number, since it uses as much as digits as its factorization.

1338079529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 1338079529 is about 36579.7693951178. The cubic root of 1338079529 is about 1101.9468358295.

The spelling of 1338079529 in words is "one billion, three hundred thirty-eight million, seventy-nine thousand, five hundred twenty-nine".