4479388461 has 12 divisors (see below), whose sum is σ = 6645099292. Its totient is φ = 2905549056.

The previous prime is 4479388451. The next prime is 4479388469. The reversal of 4479388461 is 1648839744.

4479388461 is a `hidden beast` number, since 4 + 479 + 38 + 84 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3935052900 + 544335561 = 62730^2 + 23331^2 .

It is not a de Polignac number, because 4479388461 - 2⁹ = 4479387949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4479388398 and 4479388407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4479388469) 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, 6725476 + ... + 6726141.

Almost surely, 2^4479388461 is an apocalyptic number.

It is an amenable number.

4479388461 is a deficient number, since it is larger than the sum of its proper divisors (2165710831).

4479388461 is a wasteful number, since it uses less digits than its factorization.

4479388461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13451660 (or 13451657 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 4479388461 is about 66928.2336611389. The cubic root of 4479388461 is about 1648.4391067872.

The spelling of 4479388461 in words is "four billion, four hundred seventy-nine million, three hundred eighty-eight thousand, four hundred sixty-one".