2599785061 has 16 divisors (see below), whose sum is σ = 2799567360. Its totient is φ = 2405410560.

The previous prime is 2599785053. The next prime is 2599785073. The reversal of 2599785061 is 1605879952.

It is a cyclic number.

It is not a de Polignac number, because 2599785061 - 2³ = 2599785053 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 (2599785091) 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 15 ways as a sum of consecutive naturals, for example, 440035 + ... + 445903.

It is an arithmetic number, because the mean of its divisors is an integer number (174972960).

Almost surely, 2^2599785061 is an apocalyptic number.

It is an amenable number.

2599785061 is a deficient number, since it is larger than the sum of its proper divisors (199782299).

2599785061 is a wasteful number, since it uses less digits than its factorization.

2599785061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6324.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The square root of 2599785061 is about 50988.0874420683. The cubic root of 2599785061 is about 1375.0309742444.

The spelling of 2599785061 in words is "two billion, five hundred ninety-nine million, seven hundred eighty-five thousand, sixty-one".