4640884461 has 6 divisors (see below), whose sum is σ = 6703499790. Its totient is φ = 3093922968.

The previous prime is 4640884429. The next prime is 4640884477. The reversal of 4640884461 is 1644880464.

It can be written as a sum of positive squares in only one way, i.e., 4050686025 + 590198436 = 63645^2 + 24294^2 .

It is not a de Polignac number, because 4640884461 - 2⁵ = 4640884429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640884411) 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 5 ways as a sum of consecutive naturals, for example, 257826906 + ... + 257826923.

It is an arithmetic number, because the mean of its divisors is an integer number (1117249965).

Almost surely, 2^4640884461 is an apocalyptic number.

It is an amenable number.

4640884461 is a deficient number, since it is larger than the sum of its proper divisors (2062615329).

4640884461 is a wasteful number, since it uses less digits than its factorization.

4640884461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515653835 (or 515653832 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 4640884461 is about 68124.0373216385. The cubic root of 4640884461 is about 1668.0161534674.

The spelling of 4640884461 in words is "four billion, six hundred forty million, eight hundred eighty-four thousand, four hundred sixty-one".