2461009221 has 24 divisors (see below), whose sum is σ = 3921540480. Its totient is φ = 1474756800.

The previous prime is 2461009217. The next prime is 2461009241. The reversal of 2461009221 is 1229001642.

2461009221 is a `hidden beast` number, since 24 + 610 + 0 + 9 + 2 + 21 = 666.

It is not a de Polignac number, because 2461009221 - 2² = 2461009217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2461009241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130845 + ... + 148466.

It is an arithmetic number, because the mean of its divisors is an integer number (163397520).

Almost surely, 2^2461009221 is an apocalyptic number.

It is an amenable number.

2461009221 is a deficient number, since it is larger than the sum of its proper divisors (1460531259).

2461009221 is a wasteful number, since it uses less digits than its factorization.

2461009221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279417 (or 279414 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2461009221 is about 49608.5599569268. The cubic root of 2461009221 is about 1350.1159883882.

The spelling of 2461009221 in words is "two billion, four hundred sixty-one million, nine thousand, two hundred twenty-one".