2563403564 has 6 divisors (see below), whose sum is σ = 4485956244. Its totient is φ = 1281701780.

The previous prime is 2563403519. The next prime is 2563403569. The reversal of 2563403564 is 4653043652.

It is a happy number.

2563403564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2563403569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320425442 + ... + 320425449.

It is an arithmetic number, because the mean of its divisors is an integer number (747659374).

Almost surely, 2^2563403564 is an apocalyptic number.

It is an amenable number.

2563403564 is a deficient number, since it is larger than the sum of its proper divisors (1922552680).

2563403564 is a wasteful number, since it uses less digits than its factorization.

2563403564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640850895 (or 640850893 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

The square root of 2563403564 is about 50630.0658107413. The cubic root of 2563403564 is about 1368.5867401755.

The spelling of 2563403564 in words is "two billion, five hundred sixty-three million, four hundred three thousand, five hundred sixty-four".