3982561067344 has 20 divisors (see below), whose sum is σ = 7861800976596. Its totient is φ = 1953709202432.

The previous prime is 3982561067321. The next prime is 3982561067423. The reversal of 3982561067344 is 4437601652893.

It can be written as a sum of positive squares in 2 ways, for example, as 3304804039744 + 677757027600 = 1817912^2 + 823260^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2348207329 + ... + 2348209024.

It is a 1-persistent number, because it is pandigital, but 2⋅3982561067344 = 7965122134688 is not.

Almost surely, 2^{3982561067344} is an apocalyptic number.

It is an amenable number.

3982561067344 is a deficient number, since it is larger than the sum of its proper divisors (3879239909252).

3982561067344 is a wasteful number, since it uses less digits than its factorization.

3982561067344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696416414 (or 4696416408 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 3982561067344 in words is "three trillion, nine hundred eighty-two billion, five hundred sixty-one million, sixty-seven thousand, three hundred forty-four".