2559747894823 has 32 divisors (see below), whose sum is σ = 3133951378560. Its totient is φ = 2044368668160.

The previous prime is 2559747894817. The next prime is 2559747894829. The reversal of 2559747894823 is 3284987479552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2559747894817) and next prime (2559747894829).

It is a de Polignac number, because none of the positive numbers 2^k-2559747894823 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 (2559747894829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1293840 + ... + 2606437.

It is an arithmetic number, because the mean of its divisors is an integer number (97935980580).

Almost surely, 2^{2559747894823} is an apocalyptic number.

2559747894823 is a deficient number, since it is larger than the sum of its proper divisors (574203483737).

2559747894823 is a wasteful number, since it uses less digits than its factorization.

2559747894823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900427.

The product of its digits is 1219276800, while the sum is 73.

The spelling of 2559747894823 in words is "two trillion, five hundred fifty-nine billion, seven hundred forty-seven million, eight hundred ninety-four thousand, eight hundred twenty-three".