63804709852 has 24 divisors (see below), whose sum is σ = 121696109136. Its totient is φ = 29093526528.

The previous prime is 63804709849. The next prime is 63804709853. The reversal of 63804709852 is 25890740836.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 63804709852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63804709853) 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, 7387333 + ... + 7395964.

It is an arithmetic number, because the mean of its divisors is an integer number (5070671214).

Almost surely, 2^63804709852 is an apocalyptic number.

It is an amenable number.

63804709852 is a deficient number, since it is larger than the sum of its proper divisors (57891399284).

63804709852 is a wasteful number, since it uses less digits than its factorization.

63804709852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14783397 (or 14783395 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 63804709852 in words is "sixty-three billion, eight hundred four million, seven hundred nine thousand, eight hundred fifty-two".