2559326505 has 16 divisors (see below), whose sum is σ = 4310445120. Its totient is φ = 1293133248.

The previous prime is 2559326461. The next prime is 2559326509. The reversal of 2559326505 is 5056239552.

It is not a de Polignac number, because 2559326505 - 2¹⁰ = 2559325481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2559326509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4489762 + ... + 4490331.

It is an arithmetic number, because the mean of its divisors is an integer number (269402820).

Almost surely, 2^2559326505 is an apocalyptic number.

It is an amenable number.

2559326505 is a deficient number, since it is larger than the sum of its proper divisors (1751118615).

2559326505 is a wasteful number, since it uses less digits than its factorization.

2559326505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8980120.

The product of its (nonzero) digits is 405000, while the sum is 42.

The square root of 2559326505 is about 50589.7865680416. The cubic root of 2559326505 is about 1367.8607822102.

The spelling of 2559326505 in words is "two billion, five hundred fifty-nine million, three hundred twenty-six thousand, five hundred five".