4663888020657 has 6 divisors (see below), whose sum is σ = 6736727140962. Its totient is φ = 3109258680432.

The previous prime is 4663888020629. The next prime is 4663888020683. The reversal of 4663888020657 is 7560208883664.

4663888020657 is a `hidden beast` number, since 46 + 6 + 388 + 8 + 0 + 206 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4630583230641 + 33304790016 = 2151879^2 + 182496^2 .

It is not a de Polignac number, because 4663888020657 - 2¹⁶ = 4663887955121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4663888020594 and 4663888020603.

It is not an unprimeable number, because it can be changed into a prime (4663888022657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259104890028 + ... + 259104890045.

It is an arithmetic number, because the mean of its divisors is an integer number (1122787856827).

Almost surely, 2^{4663888020657} is an apocalyptic number.

It is an amenable number.

4663888020657 is a deficient number, since it is larger than the sum of its proper divisors (2072839120305).

4663888020657 is a wasteful number, since it uses less digits than its factorization.

4663888020657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518209780079 (or 518209780076 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 4663888020657 in words is "four trillion, six hundred sixty-three billion, eight hundred eighty-eight million, twenty thousand, six hundred fifty-seven".