1338963029 has 4 divisors (see below), whose sum is σ = 1339550784. Its totient is φ = 1338375276.

The previous prime is 1338963019. The next prime is 1338963049. The reversal of 1338963029 is 9203698331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1338963029 - 2²⁸ = 1070527573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338963019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290447 + ... + 295020.

It is an arithmetic number, because the mean of its divisors is an integer number (334887696).

Almost surely, 2^1338963029 is an apocalyptic number.

It is an amenable number.

1338963029 is a deficient number, since it is larger than the sum of its proper divisors (587755).

1338963029 is an equidigital number, since it uses as much as digits as its factorization.

1338963029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587754.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 1338963029 is about 36591.8437496664. The cubic root of 1338963029 is about 1102.1893116595.

The spelling of 1338963029 in words is "one billion, three hundred thirty-eight million, nine hundred sixty-three thousand, twenty-nine".