63243634236 has 48 divisors (see below), whose sum is σ = 150116803200. Its totient is φ = 20717390272.

The previous prime is 63243634231. The next prime is 63243634249.

63243634236 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63243634231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2578366 + ... + 2602778.

It is an arithmetic number, because the mean of its divisors is an integer number (3127433400).

Almost surely, 2^63243634236 is an apocalyptic number.

It is an amenable number.

63243634236 is an abundant number, since it is smaller than the sum of its proper divisors (86873168964).

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

63243634236 is a wasteful number, since it uses less digits than its factorization.

63243634236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28138 (or 28136 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 42.

The spelling of 63243634236 in words is "sixty-three billion, two hundred forty-three million, six hundred thirty-four thousand, two hundred thirty-six".