4922618728 has 8 divisors (see below), whose sum is σ = 9229910130. Its totient is φ = 2461309360.

The previous prime is 4922618689. The next prime is 4922618749. The reversal of 4922618728 is 8278162294.

It can be written as a sum of positive squares in only one way, i.e., 4841654724 + 80964004 = 69582^2 + 8998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307663663 + ... + 307663678.

Almost surely, 2^4922618728 is an apocalyptic number.

It is an amenable number.

4922618728 is a deficient number, since it is larger than the sum of its proper divisors (4307291402).

4922618728 is a wasteful number, since it uses less digits than its factorization.

4922618728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615327347 (or 615327343 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 4922618728 is about 70161.3763262951. The cubic root of 4922618728 is about 1701.1087032987.

The spelling of 4922618728 in words is "four billion, nine hundred twenty-two million, six hundred eighteen thousand, seven hundred twenty-eight".