2617839478523 has 16 divisors (see below), whose sum is σ = 2708372975616. Its totient is φ = 2528817299520.

The previous prime is 2617839478519. The next prime is 2617839478603. The reversal of 2617839478523 is 3258749387162.

2617839478523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2617839478523 - 2² = 2617839478519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2617839478523.

It is not an unprimeable number, because it can be changed into a prime (2617839478123) 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, 3704918 + ... + 4354548.

It is an arithmetic number, because the mean of its divisors is an integer number (169273310976).

Almost surely, 2^{2617839478523} is an apocalyptic number.

2617839478523 is a deficient number, since it is larger than the sum of its proper divisors (90533497093).

2617839478523 is a wasteful number, since it uses less digits than its factorization.

2617839478523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650794.

The product of its digits is 121927680, while the sum is 65.

The spelling of 2617839478523 in words is "two trillion, six hundred seventeen billion, eight hundred thirty-nine million, four hundred seventy-eight thousand, five hundred twenty-three".