4669681 has 2 divisors, whose sum is σ = 4669682. Its totient is φ = 4669680.

The previous prime is 4669627. The next prime is 4669697. The reversal of 4669681 is 1869664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3964081 + 705600 = 1991^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 4669681 - 2¹⁵ = 4636913 is a prime.

It is a super-2 number, since 2×4669681² = 43611841283522, which contains 22 as substring.

It is a Chen prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (4669381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2334840 + 2334841.

It is an arithmetic number, because the mean of its divisors is an integer number (2334841).

Almost surely, 2^4669681 is an apocalyptic number.

It is an amenable number.

4669681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4669681 is an equidigital number, since it uses as much as digits as its factorization.

4669681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 4669681 is about 2160.9444694392. The cubic root of 4669681 is about 167.1459037811.

The spelling of 4669681 in words is "four million, six hundred sixty-nine thousand, six hundred eighty-one".