63723328450 has 24 divisors (see below), whose sum is σ = 118800432000. Its totient is φ = 25430182800.

The previous prime is 63723328441. The next prime is 63723328451. The reversal of 63723328450 is 5482332736.

It is a junction number, because it is equal to n+sod(n) for n = 63723328397 and 63723328406.

It is not an unprimeable number, because it can be changed into a prime (63723328451) by changing a digit.

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, 1456950 + ... + 1500049.

It is an arithmetic number, because the mean of its divisors is an integer number (4950018000).

Almost surely, 2^63723328450 is an apocalyptic number.

63723328450 is a deficient number, since it is larger than the sum of its proper divisors (55077103550).

63723328450 is a wasteful number, since it uses less digits than its factorization.

63723328450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957442 (or 2957437 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 43.

The spelling of 63723328450 in words is "sixty-three billion, seven hundred twenty-three million, three hundred twenty-eight thousand, four hundred fifty".