2509859066 has 16 divisors (see below), whose sum is σ = 4422968928. Its totient is φ = 1053087600.

The previous prime is 2509859021. The next prime is 2509859069. The reversal of 2509859066 is 6609589052.

It is not an unprimeable number, because it can be changed into a prime (2509859069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4387580 + ... + 4388151.

It is an arithmetic number, because the mean of its divisors is an integer number (276435558).

Almost surely, 2^2509859066 is an apocalyptic number.

2509859066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2509859066 is a deficient number, since it is larger than the sum of its proper divisors (1913109862).

2509859066 is a wasteful number, since it uses less digits than its factorization.

2509859066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8775757.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 2509859066 is about 50098.4936500091. The cubic root of 2509859066 is about 1358.9905762992.

The spelling of 2509859066 in words is "two billion, five hundred nine million, eight hundred fifty-nine thousand, sixty-six".