2604663441 has 12 divisors (see below), whose sum is σ = 3786257332. Its totient is φ = 1725381216.

The previous prime is 2604663427. The next prime is 2604663463. The reversal of 2604663441 is 1443664062.

2604663441 is a `hidden beast` number, since 2 + 604 + 6 + 6 + 3 + 4 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1246372416 + 1358291025 = 35304^2 + 36855^2 .

It is not a de Polignac number, because 2604663441 - 2⁶ = 2604663377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2604663396 and 2604663405.

It is not an unprimeable number, because it can be changed into a prime (2604663541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 920266 + ... + 923091.

Almost surely, 2^2604663441 is an apocalyptic number.

It is an amenable number.

2604663441 is a deficient number, since it is larger than the sum of its proper divisors (1181593891).

2604663441 is a wasteful number, since it uses less digits than its factorization.

2604663441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843520 (or 1843517 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2604663441 is about 51035.9034504142. The cubic root of 2604663441 is about 1375.8904981550.

The spelling of 2604663441 in words is "two billion, six hundred four million, six hundred sixty-three thousand, four hundred forty-one".