2563663652 has 12 divisors (see below), whose sum is σ = 4894267056. Its totient is φ = 1165301640.

The previous prime is 2563663643. The next prime is 2563663691.

2563663652 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 58265083 = 2563663652 / (2 + 5 + 6 + 3 + 6 + 6 + 3 + 6 + 5 + 2).

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, 29132498 + ... + 29132585.

It is an arithmetic number, because the mean of its divisors is an integer number (407855588).

Almost surely, 2^2563663652 is an apocalyptic number.

2563663652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2563663652 is a deficient number, since it is larger than the sum of its proper divisors (2330603404).

2563663652 is a wasteful number, since it uses less digits than its factorization.

2563663652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58265098 (or 58265096 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 44.

The square root of 2563663652 is about 50632.6342589441. The cubic root of 2563663652 is about 1368.6330251167.

The spelling of 2563663652 in words is "two billion, five hundred sixty-three million, six hundred sixty-three thousand, six hundred fifty-two".