3881597411329 has 9 divisors (see below), whose sum is σ = 4266573042081. Its totient is φ = 3528705217620.

The previous prime is 3881597411327. The next prime is 3881597411359. The reversal of 3881597411329 is 9231147951883.

The square root of 3881597411329 is 1970177.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3881597411329 - 2¹ = 3881597411327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3881597411327) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21582394 + ... + 21761500.

Almost surely, 2^{3881597411329} is an apocalyptic number.

3881597411329 is the 1970177-th square number.

3881597411329 is the 985089-th centered octagonal number.

It is an amenable number.

3881597411329 is a deficient number, since it is larger than the sum of its proper divisors (384975630752).

3881597411329 is an frugal number, since it uses more digits than its factorization.

3881597411329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358236 (or 179118 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 61.

The spelling of 3881597411329 in words is "three trillion, eight hundred eighty-one billion, five hundred ninety-seven million, four hundred eleven thousand, three hundred twenty-nine".