2559016749 has 16 divisors (see below), whose sum is σ = 3640317120. Its totient is φ = 1593396480.

The previous prime is 2559016739. The next prime is 2559016751. The reversal of 2559016749 is 9476109552.

It is not a de Polignac number, because 2559016749 - 2¹² = 2559012653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2559016698 and 2559016707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2559016739) 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, 184834 + ... + 198195.

It is an arithmetic number, because the mean of its divisors is an integer number (227519820).

Almost surely, 2^2559016749 is an apocalyptic number.

It is an amenable number.

2559016749 is a deficient number, since it is larger than the sum of its proper divisors (1081300371).

2559016749 is a wasteful number, since it uses less digits than its factorization.

2559016749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383180.

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 2559016749 is about 50586.7250274220. The cubic root of 2559016749 is about 1367.8055957932.

The spelling of 2559016749 in words is "two billion, five hundred fifty-nine million, sixteen thousand, seven hundred forty-nine".