63491486343480 has 128 divisors (see below), whose sum is σ = 227918156155200. Its totient is φ = 15628673558016.

The previous prime is 63491486343469. The next prime is 63491486343517. The reversal of 63491486343480 is 8434368419436.

63491486343480 is a `hidden beast` number, since 6 + 3 + 4 + 9 + 148 + 6 + 3 + 4 + 3 + 480 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2261078779 + ... + 2261106858.

Almost surely, 2^{63491486343480} is an apocalyptic number.

63491486343480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63491486343480 is an abundant number, since it is smaller than the sum of its proper divisors (164426669811720).

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

63491486343480 is a wasteful number, since it uses less digits than its factorization.

63491486343480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4522185670 (or 4522185660 counting only the distinct ones).

The product of its (nonzero) digits is 143327232, while the sum is 63.

The spelling of 63491486343480 in words is "sixty-three trillion, four hundred ninety-one billion, four hundred eighty-six million, three hundred forty-three thousand, four hundred eighty".