338535053721 has 32 divisors (see below), whose sum is σ = 507727557120. Its totient is φ = 222904297872.

The previous prime is 338535053711. The next prime is 338535053741. The reversal of 338535053721 is 127350535833.

338535053721 is a `hidden beast` number, since 3 + 3 + 85 + 35 + 0 + 537 + 2 + 1 = 666.

It is not a de Polignac number, because 338535053721 - 2¹⁸ = 338534791577 is a prime.

It is a super-2 number, since 2×338535053721² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338535053711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8143230 + ... + 8184696.

It is an arithmetic number, because the mean of its divisors is an integer number (15866486160).

Almost surely, 2^338535053721 is an apocalyptic number.

It is an amenable number.

338535053721 is a deficient number, since it is larger than the sum of its proper divisors (169192503399).

338535053721 is a wasteful number, since it uses less digits than its factorization.

338535053721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45202 (or 45196 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 338535053721 in words is "three hundred thirty-eight billion, five hundred thirty-five million, fifty-three thousand, seven hundred twenty-one".