1338763005005 has 8 divisors (see below), whose sum is σ = 1612487784600. Its totient is φ = 1067028951616.

The previous prime is 1338763004977. The next prime is 1338763005089. The reversal of 1338763005005 is 5005003678331.

It can be written as a sum of positive squares in 4 ways, for example, as 29519019721 + 1309243985284 = 171811^2 + 1144222^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1338763005005 - 2²⁰ = 1338761956429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497680070 + ... + 497682759.

It is an arithmetic number, because the mean of its divisors is an integer number (201560973075).

Almost surely, 2^{1338763005005} is an apocalyptic number.

It is an amenable number.

1338763005005 is a deficient number, since it is larger than the sum of its proper divisors (273724779595).

1338763005005 is an equidigital number, since it uses as much as digits as its factorization.

1338763005005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995363103.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 1338763005005 in words is "one trillion, three hundred thirty-eight billion, seven hundred sixty-three million, five thousand, five".