63709018252 has 36 divisors (see below), whose sum is σ = 122573039400. Its totient is φ = 28952661760.

The previous prime is 63709018249. The next prime is 63709018267. The reversal of 63709018252 is 25281090736.

It is a junction number, because it is equal to n+sod(n) for n = 63709018199 and 63709018208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3038268 + ... + 3059164.

It is an arithmetic number, because the mean of its divisors is an integer number (3404806650).

Almost surely, 2^63709018252 is an apocalyptic number.

It is an amenable number.

63709018252 is a deficient number, since it is larger than the sum of its proper divisors (58864021148).

63709018252 is a wasteful number, since it uses less digits than its factorization.

63709018252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27222 (or 27209 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 63709018252 in words is "sixty-three billion, seven hundred nine million, eighteen thousand, two hundred fifty-two".