1338769480209 has 16 divisors (see below), whose sum is σ = 2040055285632. Its totient is φ = 765001531008.

The previous prime is 1338769480093. The next prime is 1338769480247. The reversal of 1338769480209 is 9020849678331.

It is not a de Polignac number, because 1338769480209 - 2⁸ = 1338769479953 is a prime.

It is a super-2 number, since 2×1338769480209² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1338769440209) 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 15 ways as a sum of consecutive naturals, for example, 1529667 + ... + 2239959.

It is an arithmetic number, because the mean of its divisors is an integer number (127503455352).

Almost surely, 2^{1338769480209} is an apocalyptic number.

It is an amenable number.

1338769480209 is a deficient number, since it is larger than the sum of its proper divisors (701285805423).

1338769480209 is an equidigital number, since it uses as much as digits as its factorization.

1338769480209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800056.

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 1338769480209 in words is "one trillion, three hundred thirty-eight billion, seven hundred sixty-nine million, four hundred eighty thousand, two hundred nine".