2563544468 has 12 divisors (see below), whose sum is σ = 4489182432. Its totient is φ = 1280920920.

The previous prime is 2563544387. The next prime is 2563544471. The reversal of 2563544468 is 8644453652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206030 + ... + 218117.

It is an arithmetic number, because the mean of its divisors is an integer number (374098536).

Almost surely, 2^2563544468 is an apocalyptic number.

It is an amenable number.

2563544468 is a deficient number, since it is larger than the sum of its proper divisors (1925637964).

2563544468 is a wasteful number, since it uses less digits than its factorization.

2563544468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425662 (or 425660 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 47.

The square root of 2563544468 is about 50631.4572968229. The cubic root of 2563544468 is about 1368.6118156670.

The spelling of 2563544468 in words is "two billion, five hundred sixty-three million, five hundred forty-four thousand, four hundred sixty-eight".