4566378329 has 2 divisors, whose sum is σ = 4566378330. Its totient is φ = 4566378328.

The previous prime is 4566378307. The next prime is 4566378353. The reversal of 4566378329 is 9238736654.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2356908304 + 2209470025 = 48548^2 + 47005^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4566378329 is a prime.

It is a super-2 number, since 2×4566378329² = 41703622087121664482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4566378379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2283189164 + 2283189165.

It is an arithmetic number, because the mean of its divisors is an integer number (2283189165).

Almost surely, 2^4566378329 is an apocalyptic number.

It is an amenable number.

4566378329 is a deficient number, since it is larger than the sum of its proper divisors (1).

4566378329 is an equidigital number, since it uses as much as digits as its factorization.

4566378329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 53.

The square root of 4566378329 is about 67574.9830114666. The cubic root of 4566378329 is about 1659.0416795322.

The spelling of 4566378329 in words is "four billion, five hundred sixty-six million, three hundred seventy-eight thousand, three hundred twenty-nine".