63487343934 has 36 divisors (see below), whose sum is σ = 157213760184. Its totient is φ = 18138433032.

The previous prime is 63487343929. The next prime is 63487343963. The reversal of 63487343934 is 43934378436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2817099 + ... + 2839545.

It is an arithmetic number, because the mean of its divisors is an integer number (4367048894).

Almost surely, 2^63487343934 is an apocalyptic number.

63487343934 is an abundant number, since it is smaller than the sum of its proper divisors (93726416250).

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

63487343934 is an frugal number, since it uses more digits than its factorization.

63487343934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44909 (or 22459 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 54.

The spelling of 63487343934 in words is "sixty-three billion, four hundred eighty-seven million, three hundred forty-three thousand, nine hundred thirty-four".