2611434221 has 12 divisors (see below), whose sum is σ = 2871907836. Its totient is φ = 2372800320.

The previous prime is 2611434149. The next prime is 2611434239. The reversal of 2611434221 is 1224341162.

It can be written as a sum of positive squares in 2 ways, for example, as 2059888996 + 551545225 = 45386^2 + 23485^2 .

It is not a de Polignac number, because 2611434221 - 2²² = 2607239917 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 (2611434281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295361 + ... + 304073.

It is an arithmetic number, because the mean of its divisors is an integer number (239325653).

Almost surely, 2^2611434221 is an apocalyptic number.

It is an amenable number.

2611434221 is a deficient number, since it is larger than the sum of its proper divisors (260473615).

2611434221 is a wasteful number, since it uses less digits than its factorization.

2611434221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212 (or 11201 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2611434221 is about 51102.1938961528. The cubic root of 2611434221 is about 1377.0816682210.

Adding to 2611434221 its reverse (1224341162), we get a palindrome (3835775383).

The spelling of 2611434221 in words is "two billion, six hundred eleven million, four hundred thirty-four thousand, two hundred twenty-one".