4668454556649 has 96 divisors (see below), whose sum is σ = 7707817155584. Its totient is φ = 2701947870720.

The previous prime is 4668454556599. The next prime is 4668454556687. The reversal of 4668454556649 is 9466554548664.

4668454556649 is a `hidden beast` number, since 4 + 6 + 6 + 8 + 4 + 5 + 4 + 556 + 64 + 9 = 666.

It is not a de Polignac number, because 4668454556649 - 2¹¹ = 4668454554601 is a prime.

It is a super-2 number, since 2×4668454556649² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4668454556149) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 118478019 + ... + 118517415.

Almost surely, 2^{4668454556649} is an apocalyptic number.

It is an amenable number.

4668454556649 is a deficient number, since it is larger than the sum of its proper divisors (3039362598935).

4668454556649 is a wasteful number, since it uses less digits than its factorization.

4668454556649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40367 (or 40364 counting only the distinct ones).

The product of its digits is 2985984000, while the sum is 72.

The spelling of 4668454556649 in words is "four trillion, six hundred sixty-eight billion, four hundred fifty-four million, five hundred fifty-six thousand, six hundred forty-nine".