2543630463 has 24 divisors (see below), whose sum is σ = 4013143680. Its totient is φ = 1539671760.

The previous prime is 2543630461. The next prime is 2543630473. The reversal of 2543630463 is 3640363452.

2543630463 is a `hidden beast` number, since 254 + 363 + 0 + 46 + 3 = 666.

It is not a de Polignac number, because 2543630463 - 2¹ = 2543630461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543630461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65868 + ... + 97086.

It is an arithmetic number, because the mean of its divisors is an integer number (167214320).

Almost surely, 2^2543630463 is an apocalyptic number.

2543630463 is a deficient number, since it is larger than the sum of its proper divisors (1469513217).

2543630463 is a wasteful number, since it uses less digits than its factorization.

2543630463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32059 (or 32056 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The square root of 2543630463 is about 50434.4174448362. The cubic root of 2543630463 is about 1365.0587375602.

The spelling of 2543630463 in words is "two billion, five hundred forty-three million, six hundred thirty thousand, four hundred sixty-three".