4564669 has 2 divisors, whose sum is σ = 4564670. Its totient is φ = 4564668.

The previous prime is 4564667. The next prime is 4564697. The reversal of 4564669 is 9664654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4020025 + 544644 = 2005^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 4564669 - 2¹ = 4564667 is a prime.

It is a super-2 number, since 2×4564669² = 41672406159122, which contains 22 as substring.

Together with 4564667, it forms a pair of twin primes.

4564669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4564663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2282334 + 2282335.

It is an arithmetic number, because the mean of its divisors is an integer number (2282335).

Almost surely, 2^4564669 is an apocalyptic number.

It is an amenable number.

4564669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4564669 is an equidigital number, since it uses as much as digits as its factorization.

4564669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 4564669 is about 2136.5086004976. The cubic root of 4564669 is about 165.8834644418.

The spelling of 4564669 in words is "four million, five hundred sixty-four thousand, six hundred sixty-nine".