4689045657 has 6 divisors (see below), whose sum is σ = 6773065962. Its totient is φ = 3126030432.

The previous prime is 4689045653. The next prime is 4689045659. The reversal of 4689045657 is 7565409864.

4689045657 is a `hidden beast` number, since 468 + 90 + 45 + 6 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4541277321 + 147768336 = 67389^2 + 12156^2 .

It is not a de Polignac number, because 4689045657 - 2² = 4689045653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4689045653) 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 5 ways as a sum of consecutive naturals, for example, 260502528 + ... + 260502545.

It is an arithmetic number, because the mean of its divisors is an integer number (1128844327).

Almost surely, 2^4689045657 is an apocalyptic number.

It is an amenable number.

4689045657 is a deficient number, since it is larger than the sum of its proper divisors (2084020305).

4689045657 is a wasteful number, since it uses less digits than its factorization.

4689045657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521005079 (or 521005076 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 4689045657 is about 68476.6066405163. The cubic root of 4689045657 is about 1673.7663040974.

The spelling of 4689045657 in words is "four billion, six hundred eighty-nine million, forty-five thousand, six hundred fifty-seven".