63428947000 has 64 divisors (see below), whose sum is σ = 148787589600. Its totient is φ = 25309382400.

The previous prime is 63428946941. The next prime is 63428947003. The reversal of 63428947000 is 74982436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63428947003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331459 + ... + 486541.

Almost surely, 2^63428947000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63428947000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74393794800).

63428947000 is an abundant number, since it is smaller than the sum of its proper divisors (85358642600).

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

63428947000 is a wasteful number, since it uses less digits than its factorization.

63428947000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155513 (or 155499 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 63428947000 in words is "sixty-three billion, four hundred twenty-eight million, nine hundred forty-seven thousand".