338745518081 has 8 divisors (see below), whose sum is σ = 344564526240. Its totient is φ = 332929095328.

The previous prime is 338745518077. The next prime is 338745518117. The reversal of 338745518081 is 180815547833.

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 338745518081 - 2² = 338745518077 is a prime.

It is a super-2 number, since 2×338745518081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338745518051) 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 7 ways as a sum of consecutive naturals, for example, 381131 + ... + 907056.

It is an arithmetic number, because the mean of its divisors is an integer number (43070565780).

Almost surely, 2^338745518081 is an apocalyptic number.

It is an amenable number.

338745518081 is a deficient number, since it is larger than the sum of its proper divisors (5819008159).

338745518081 is a wasteful number, since it uses less digits than its factorization.

338745518081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292703.

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 338745518081 in words is "three hundred thirty-eight billion, seven hundred forty-five million, five hundred eighteen thousand, eighty-one".