1338421760019 has 32 divisors (see below), whose sum is σ = 1997424576000. Its totient is φ = 885735780192.

The previous prime is 1338421760017. The next prime is 1338421760029. The reversal of 1338421760019 is 9100671248331.

1338421760019 is a `hidden beast` number, since 1 + 3 + 3 + 8 + 4 + 21 + 7 + 600 + 19 = 666.

It is not a de Polignac number, because 1338421760019 - 2¹ = 1338421760017 is a prime.

It is a super-2 number, since 2×1338421760019² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1338421760017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3131317 + ... + 3532985.

It is an arithmetic number, because the mean of its divisors is an integer number (62419518000).

Almost surely, 2^{1338421760019} is an apocalyptic number.

1338421760019 is a deficient number, since it is larger than the sum of its proper divisors (659002815981).

1338421760019 is a wasteful number, since it uses less digits than its factorization.

1338421760019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402584 (or 402578 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 1338421760019 in words is "one trillion, three hundred thirty-eight billion, four hundred twenty-one million, seven hundred sixty thousand, nineteen".