6363663636 has 48 divisors (see below), whose sum is σ = 16203253248. Its totient is φ = 1927807200.

The previous prime is 6363663629. The next prime is 6363663643.

6363663636 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6363663629) and next prime (6363663643).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695451 + ... + 704541.

It is an arithmetic number, because the mean of its divisors is an integer number (337567776).

Almost surely, 2^6363663636 is an apocalyptic number.

6363663636 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6363663636 is an abundant number, since it is smaller than the sum of its proper divisors (9839589612).

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

6363663636 is a wasteful number, since it uses less digits than its factorization.

6363663636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14412 (or 14410 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 48.

The square root of 6363663636 is about 79772.5744601489. The cubic root of 6363663636 is about 1853.1151446671.

The spelling of 6363663636 in words is "six billion, three hundred sixty-three million, six hundred sixty-three thousand, six hundred thirty-six".