1338574859 has 2 divisors, whose sum is σ = 1338574860. Its totient is φ = 1338574858.

The previous prime is 1338574841. The next prime is 1338574873. The reversal of 1338574859 is 9584758331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1338574859 - 2⁸ = 1338574603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1338574859.

It is not a weakly prime, because it can be changed into another prime (1338574819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669287429 + 669287430.

It is an arithmetic number, because the mean of its divisors is an integer number (669287430).

Almost surely, 2^1338574859 is an apocalyptic number.

1338574859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338574859 is an equidigital number, since it uses as much as digits as its factorization.

1338574859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 53.

The square root of 1338574859 is about 36586.5393143435. The cubic root of 1338574859 is about 1102.0827918711.

The spelling of 1338574859 in words is "one billion, three hundred thirty-eight million, five hundred seventy-four thousand, eight hundred fifty-nine".