2617839597491 has 8 divisors (see below), whose sum is σ = 2620368565584. Its totient is φ = 2615311242720.

The previous prime is 2617839597473. The next prime is 2617839597523. The reversal of 2617839597491 is 1947959387162.

2617839597491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2617839597491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2617839591491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8629376 + ... + 8927586.

It is an arithmetic number, because the mean of its divisors is an integer number (327546070698).

Almost surely, 2^{2617839597491} is an apocalyptic number.

2617839597491 is a deficient number, since it is larger than the sum of its proper divisors (2528968093).

2617839597491 is a wasteful number, since it uses less digits than its factorization.

2617839597491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306661.

The product of its digits is 205752960, while the sum is 71.

The spelling of 2617839597491 in words is "two trillion, six hundred seventeen billion, eight hundred thirty-nine million, five hundred ninety-seven thousand, four hundred ninety-one".