3989705411329 has 16 divisors (see below), whose sum is σ = 4493951101440. Its totient is φ = 3509110224000.

The previous prime is 3989705411317. The next prime is 3989705411347. The reversal of 3989705411329 is 9231145079893.

It is a de Polignac number, because none of the positive numbers 2^k-3989705411329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3989705411309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149142 + ... + 2828719.

It is an arithmetic number, because the mean of its divisors is an integer number (280871943840).

Almost surely, 2^{3989705411329} is an apocalyptic number.

It is an amenable number.

3989705411329 is a deficient number, since it is larger than the sum of its proper divisors (504245690111).

3989705411329 is a wasteful number, since it uses less digits than its factorization.

3989705411329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981832.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 3989705411329 in words is "three trillion, nine hundred eighty-nine billion, seven hundred five million, four hundred eleven thousand, three hundred twenty-nine".