3682469865438 has 256 divisors, whose sum is σ = 10572845875200. Its totient is φ = 923939498880.

The previous prime is 3682469865409. The next prime is 3682469865439. The reversal of 3682469865438 is 8345689642863.

3682469865438 is a `hidden beast` number, since 3 + 6 + 8 + 2 + 46 + 98 + 65 + 438 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3682469865439) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8782845 + ... + 9192567.

It is an arithmetic number, because the mean of its divisors is an integer number (41300179200).

Almost surely, 2^{3682469865438} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3682469865438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5286422937600).

3682469865438 is an abundant number, since it is smaller than the sum of its proper divisors (6890376009762).

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

3682469865438 is a wasteful number, since it uses less digits than its factorization.

3682469865438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409844 (or 409838 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 72.

The spelling of 3682469865438 in words is "three trillion, six hundred eighty-two billion, four hundred sixty-nine million, eight hundred sixty-five thousand, four hundred thirty-eight".