4861902728 has 16 divisors (see below), whose sum is σ = 9161880000. Its totient is φ = 2418734736.

The previous prime is 4861902697. The next prime is 4861902739. The reversal of 4861902728 is 8272091684.

It is a happy number.

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, 1525388 + ... + 1528571.

It is an arithmetic number, because the mean of its divisors is an integer number (572617500).

Almost surely, 2^4861902728 is an apocalyptic number.

It is an amenable number.

4861902728 is a deficient number, since it is larger than the sum of its proper divisors (4299977272).

4861902728 is a wasteful number, since it uses less digits than its factorization.

4861902728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054164 (or 3054160 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 4861902728 is about 69727.3456256582. The cubic root of 4861902728 is about 1694.0858769220.

The spelling of 4861902728 in words is "four billion, eight hundred sixty-one million, nine hundred two thousand, seven hundred twenty-eight".