2611539249 has 12 divisors (see below), whose sum is σ = 3827380368. Its totient is φ = 1582750840.

The previous prime is 2611539221. The next prime is 2611539251. The reversal of 2611539249 is 9429351162.

It is not a de Polignac number, because 2611539249 - 2⁷ = 2611539121 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2611539249.

It is not an unprimeable number, because it can be changed into a prime (2611539149) 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 11 ways as a sum of consecutive naturals, for example, 3596799 + ... + 3597524.

It is an arithmetic number, because the mean of its divisors is an integer number (318948364).

Almost surely, 2^2611539249 is an apocalyptic number.

It is an amenable number.

2611539249 is a deficient number, since it is larger than the sum of its proper divisors (1215841119).

2611539249 is a wasteful number, since it uses less digits than its factorization.

2611539249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7194348 (or 7194337 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 2611539249 is about 51103.2215129340. The cubic root of 2611539249 is about 1377.1001293657.

The spelling of 2611539249 in words is "two billion, six hundred eleven million, five hundred thirty-nine thousand, two hundred forty-nine".