63898130436 has 24 divisors (see below), whose sum is σ = 170395014720. Its totient is φ = 18256608672.

The previous prime is 63898130411. The next prime is 63898130441. The reversal of 63898130436 is 63403189836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380345931 + ... + 380346098.

It is an arithmetic number, because the mean of its divisors is an integer number (7099792280).

Almost surely, 2^63898130436 is an apocalyptic number.

It is an amenable number.

63898130436 is an abundant number, since it is smaller than the sum of its proper divisors (106496884284).

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

63898130436 is a wasteful number, since it uses less digits than its factorization.

63898130436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760692043 (or 760692041 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 63898130436 in words is "sixty-three billion, eight hundred ninety-eight million, one hundred thirty thousand, four hundred thirty-six".