6329478161 has 2 divisors, whose sum is σ = 6329478162. Its totient is φ = 6329478160.

The previous prime is 6329478121. The next prime is 6329478173. The reversal of 6329478161 is 1618749236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5439947536 + 889530625 = 73756^2 + 29825^2 .

It is a cyclic number.

It is not a de Polignac number, because 6329478161 - 2¹⁸ = 6329216017 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (6329478121) 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, 3164739080 + 3164739081.

It is an arithmetic number, because the mean of its divisors is an integer number (3164739081).

Almost surely, 2^6329478161 is an apocalyptic number.

It is an amenable number.

6329478161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6329478161 is an equidigital number, since it uses as much as digits as its factorization.

6329478161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 6329478161 is about 79558.0175783686. The cubic root of 6329478161 is about 1849.7908856405.

The spelling of 6329478161 in words is "six billion, three hundred twenty-nine million, four hundred seventy-eight thousand, one hundred sixty-one".