63850989136 has 40 divisors (see below), whose sum is σ = 135036741024. Its totient is φ = 29006194560.

The previous prime is 63850989127. The next prime is 63850989157. The reversal of 63850989136 is 63198905836.

63850989136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 197970 + ... + 408526.

Almost surely, 2^63850989136 is an apocalyptic number.

It is an amenable number.

63850989136 is an abundant number, since it is smaller than the sum of its proper divisors (71185751888).

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

63850989136 is a wasteful number, since it uses less digits than its factorization.

63850989136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212299 (or 212293 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 63850989136 in words is "sixty-three billion, eight hundred fifty million, nine hundred eighty-nine thousand, one hundred thirty-six".