63434561723480 has 128 divisors (see below), whose sum is σ = 157826732515200. Its totient is φ = 22862143180800.

The previous prime is 63434561723473. The next prime is 63434561723581. The reversal of 63434561723480 is 8432716543436.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 27901331 + ... + 30089090.

It is an arithmetic number, because the mean of its divisors is an integer number (1233021347775).

Almost surely, 2^{63434561723480} is an apocalyptic number.

It is an amenable number.

63434561723480 is an abundant number, since it is smaller than the sum of its proper divisors (94392170791720).

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

63434561723480 is a wasteful number, since it uses less digits than its factorization.

63434561723480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57990525 (or 57990521 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 56.

The spelling of 63434561723480 in words is "sixty-three trillion, four hundred thirty-four billion, five hundred sixty-one million, seven hundred twenty-three thousand, four hundred eighty".