2563343544 has 16 divisors (see below), whose sum is σ = 6408358920. Its totient is φ = 854447840.

The previous prime is 2563343543. The next prime is 2563343551. The reversal of 2563343544 is 4453433652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563343543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53402967 + ... + 53403014.

Almost surely, 2^2563343544 is an apocalyptic number.

2563343544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2563343544 is an abundant number, since it is smaller than the sum of its proper divisors (3845015376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2563343544 is a wasteful number, since it uses less digits than its factorization.

2563343544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106805990 (or 106805986 counting only the distinct ones).

The product of its digits is 518400, while the sum is 39.

The square root of 2563343544 is about 50629.4730764601. The cubic root of 2563343544 is about 1368.5760586453.

The spelling of 2563343544 in words is "two billion, five hundred sixty-three million, three hundred forty-three thousand, five hundred forty-four".