3989097711517 has 4 divisors (see below), whose sum is σ = 3989105920800. Its totient is φ = 3989089502236.

The previous prime is 3989097711497. The next prime is 3989097711559. The reversal of 3989097711517 is 7151177909893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3989097711517 - 2¹¹ = 3989097709469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989097711017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3326593 + ... + 4363990.

It is an arithmetic number, because the mean of its divisors is an integer number (997276480200).

Almost surely, 2^{3989097711517} is an apocalyptic number.

It is an amenable number.

3989097711517 is a deficient number, since it is larger than the sum of its proper divisors (8209283).

3989097711517 is an equidigital number, since it uses as much as digits as its factorization.

3989097711517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8209282.

The product of its (nonzero) digits is 30005640, while the sum is 67.

The spelling of 3989097711517 in words is "three trillion, nine hundred eighty-nine billion, ninety-seven million, seven hundred eleven thousand, five hundred seventeen".