2559716949845 has 128 divisors (see below), whose sum is σ = 3711979353600. Its totient is φ = 1673190604800.

The previous prime is 2559716949827. The next prime is 2559716949859. The reversal of 2559716949845 is 5489496179552.

It is not a de Polignac number, because 2559716949845 - 2⁶ = 2559716949781 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 427971755 + ... + 427977735.

It is an arithmetic number, because the mean of its divisors is an integer number (28999838700).

Almost surely, 2^{2559716949845} is an apocalyptic number.

It is an amenable number.

2559716949845 is a deficient number, since it is larger than the sum of its proper divisors (1152262403755).

2559716949845 is a wasteful number, since it uses less digits than its factorization.

2559716949845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279.

The product of its digits is 979776000, while the sum is 74.

The spelling of 2559716949845 in words is "two trillion, five hundred fifty-nine billion, seven hundred sixteen million, nine hundred forty-nine thousand, eight hundred forty-five".