2659217516049 has 16 divisors (see below), whose sum is σ = 3641689039040. Its totient is φ = 1724785099200.

The previous prime is 2659217516003. The next prime is 2659217516119. The reversal of 2659217516049 is 9406157129562.

It is a de Polignac number, because none of the positive numbers 2^k-2659217516049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2659217516049.

It is not an unprimeable number, because it can be changed into a prime (2659217515049) 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, 939807 + ... + 2490315.

It is an arithmetic number, because the mean of its divisors is an integer number (227605564940).

Almost surely, 2^{2659217516049} is an apocalyptic number.

It is an amenable number.

2659217516049 is a deficient number, since it is larger than the sum of its proper divisors (982471522991).

2659217516049 is a wasteful number, since it uses less digits than its factorization.

2659217516049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566000.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 2659217516049 in words is "two trillion, six hundred fifty-nine billion, two hundred seventeen million, five hundred sixteen thousand, forty-nine".