63471891430 has 16 divisors (see below), whose sum is σ = 116185836240. Its totient is φ = 24958438432.

The previous prime is 63471891401. The next prime is 63471891449. The reversal of 63471891430 is 3419817436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53789149 + ... + 53790328.

It is an arithmetic number, because the mean of its divisors is an integer number (7261614765).

Almost surely, 2^63471891430 is an apocalyptic number.

63471891430 is a deficient number, since it is larger than the sum of its proper divisors (52713944810).

63471891430 is a wasteful number, since it uses less digits than its factorization.

63471891430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107579543.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 63471891430 in words is "sixty-three billion, four hundred seventy-one million, eight hundred ninety-one thousand, four hundred thirty".