4664578754657 has 2 divisors, whose sum is σ = 4664578754658. Its totient is φ = 4664578754656.

The previous prime is 4664578754621. The next prime is 4664578754729. The reversal of 4664578754657 is 7564578754664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4286063418961 + 378515335696 = 2070281^2 + 615236^2 .

It is a cyclic number.

It is not a de Polignac number, because 4664578754657 - 2¹² = 4664578750561 is a prime.

It is not a weakly prime, because it can be changed into another prime (4664578754557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332289377328 + 2332289377329.

It is an arithmetic number, because the mean of its divisors is an integer number (2332289377329).

Almost surely, 2^{4664578754657} is an apocalyptic number.

It is an amenable number.

4664578754657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4664578754657 is an equidigital number, since it uses as much as digits as its factorization.

4664578754657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632000, while the sum is 74.

The spelling of 4664578754657 in words is "four trillion, six hundred sixty-four billion, five hundred seventy-eight million, seven hundred fifty-four thousand, six hundred fifty-seven".