63505858252 has 24 divisors (see below), whose sum is σ = 113871753072. Its totient is φ = 30971424000.

The previous prime is 63505858183. The next prime is 63505858259. The reversal of 63505858252 is 25285850536.

It is a junction number, because it is equal to n+sod(n) for n = 63505858196 and 63505858205.

It is not an unprimeable number, because it can be changed into a prime (63505858259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719752 + ... + 803152.

It is an arithmetic number, because the mean of its divisors is an integer number (4744656378).

Almost surely, 2^63505858252 is an apocalyptic number.

It is an amenable number.

63505858252 is a deficient number, since it is larger than the sum of its proper divisors (50365894820).

63505858252 is a wasteful number, since it uses less digits than its factorization.

63505858252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88089 (or 88087 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 63505858252 in words is "sixty-three billion, five hundred five million, eight hundred fifty-eight thousand, two hundred fifty-two".