338730213834 has 12 divisors (see below), whose sum is σ = 733915463346. Its totient is φ = 112910071272.

The previous prime is 338730213827. The next prime is 338730213839. The reversal of 338730213834 is 438312037833.

338730213834 is a `hidden beast` number, since 338 + 7 + 302 + 1 + 3 + 8 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 332623260225 + 6106953609 = 576735^2 + 78147^2 .

It is a super-2 number, since 2×338730213834² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 338730213834.

It is not an unprimeable number, because it can be changed into a prime (338730213839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9409172589 + ... + 9409172624.

Almost surely, 2^338730213834 is an apocalyptic number.

338730213834 is an abundant number, since it is smaller than the sum of its proper divisors (395185249512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338730213834 is a wasteful number, since it uses less digits than its factorization.

338730213834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18818345221 (or 18818345218 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 338730213834 in words is "three hundred thirty-eight billion, seven hundred thirty million, two hundred thirteen thousand, eight hundred thirty-four".