63209987452 has 48 divisors (see below), whose sum is σ = 122274738432. Its totient is φ = 28439079680.

The previous prime is 63209987441. The next prime is 63209987459. The reversal of 63209987452 is 25478990236.

It is a junction number, because it is equal to n+sod(n) for n = 63209987393 and 63209987402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63209987459) 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, 3762423 + ... + 3779185.

It is an arithmetic number, because the mean of its divisors is an integer number (2547390384).

Almost surely, 2^63209987452 is an apocalyptic number.

It is an amenable number.

63209987452 is a deficient number, since it is larger than the sum of its proper divisors (59064750980).

63209987452 is a wasteful number, since it uses less digits than its factorization.

63209987452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19218 (or 19216 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 63209987452 in words is "sixty-three billion, two hundred nine million, nine hundred eighty-seven thousand, four hundred fifty-two".