63745881486 has 32 divisors (see below), whose sum is σ = 153373551360. Its totient is φ = 17254524096.

The previous prime is 63745881481. The next prime is 63745881499. The reversal of 63745881486 is 68418854736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63745881481) 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, 39940231 + ... + 39941826.

It is an arithmetic number, because the mean of its divisors is an integer number (4792923480).

Almost surely, 2^63745881486 is an apocalyptic number.

63745881486 is an abundant number, since it is smaller than the sum of its proper divisors (89627669874).

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

63745881486 is a wasteful number, since it uses less digits than its factorization.

63745881486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79882088.

The product of its digits is 30965760, while the sum is 60.

The spelling of 63745881486 in words is "sixty-three billion, seven hundred forty-five million, eight hundred eighty-one thousand, four hundred eighty-six".