4389550064 has 10 divisors (see below), whose sum is σ = 8504753280. Its totient is φ = 2194775024.

The previous prime is 4389550049. The next prime is 4389550117. The reversal of 4389550064 is 4600559834.

It is a junction number, because it is equal to n+sod(n) for n = 4389549997 and 4389550024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137173424 + ... + 137173455.

It is an arithmetic number, because the mean of its divisors is an integer number (850475328).

Almost surely, 2^4389550064 is an apocalyptic number.

It is an amenable number.

4389550064 is a deficient number, since it is larger than the sum of its proper divisors (4115203216).

4389550064 is a wasteful number, since it uses less digits than its factorization.

4389550064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274346887 (or 274346881 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 4389550064 is about 66253.6796261159. The cubic root of 4389550064 is about 1637.3442621267.

The spelling of 4389550064 in words is "four billion, three hundred eighty-nine million, five hundred fifty thousand, sixty-four".