2563454284 has 6 divisors (see below), whose sum is σ = 4486045004. Its totient is φ = 1281727140.

The previous prime is 2563454281. The next prime is 2563454323. The reversal of 2563454284 is 4824543652.

It is a self number, because there is not a number n which added to its sum of digits gives 2563454284.

It is not an unprimeable number, because it can be changed into a prime (2563454281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320431782 + ... + 320431789.

Almost surely, 2^2563454284 is an apocalyptic number.

It is an amenable number.

2563454284 is a deficient number, since it is larger than the sum of its proper divisors (1922590720).

2563454284 is a wasteful number, since it uses less digits than its factorization.

2563454284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640863575 (or 640863573 counting only the distinct ones).

The product of its digits is 921600, while the sum is 43.

The square root of 2563454284 is about 50630.5666964137. The cubic root of 2563454284 is about 1368.5957664901.

The spelling of 2563454284 in words is "two billion, five hundred sixty-three million, four hundred fifty-four thousand, two hundred eighty-four".