63923245998552 has 128 divisors (see below), whose sum is σ = 179800251321600. Its totient is φ = 21039742462464.

The previous prime is 63923245998529. The next prime is 63923245998569. The reversal of 63923245998552 is 25589954232936.

It is a happy number.

63923245998552 is a `hidden beast` number, since 6 + 3 + 9 + 2 + 3 + 24 + 599 + 8 + 5 + 5 + 2 = 666.

63923245998552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32516688 + ... + 34426464.

It is an arithmetic number, because the mean of its divisors is an integer number (1404689463450).

Almost surely, 2^{63923245998552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63923245998552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89900125660800).

63923245998552 is an abundant number, since it is smaller than the sum of its proper divisors (115877005323048).

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

63923245998552 is a wasteful number, since it uses less digits than its factorization.

63923245998552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911742 (or 1911732 counting only the distinct ones).

The product of its digits is 1259712000, while the sum is 72.

The spelling of 63923245998552 in words is "sixty-three trillion, nine hundred twenty-three billion, two hundred forty-five million, nine hundred ninety-eight thousand, five hundred fifty-two".