48643989644 has 12 divisors (see below), whose sum is σ = 85597297968. Its totient is φ = 24187618800.

The previous prime is 48643989629. The next prime is 48643989673. The reversal of 48643989644 is 44698934684.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33593192 + ... + 33594639.

It is an arithmetic number, because the mean of its divisors is an integer number (7133108164).

Almost surely, 2^48643989644 is an apocalyptic number.

It is an amenable number.

48643989644 is a deficient number, since it is larger than the sum of its proper divisors (36953308324).

48643989644 is a wasteful number, since it uses less digits than its factorization.

48643989644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67188016 (or 67188014 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 65.

The spelling of 48643989644 in words is "forty-eight billion, six hundred forty-three million, nine hundred eighty-nine thousand, six hundred forty-four".