4329493681 has 2 divisors, whose sum is σ = 4329493682. Its totient is φ = 4329493680.

The previous prime is 4329493673. The next prime is 4329493739. The reversal of 4329493681 is 1863949234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4060238400 + 269255281 = 63720^2 + 16409^2 .

It is a cyclic number.

It is not a de Polignac number, because 4329493681 - 2³ = 4329493673 is a prime.

It is a super-2 number, since 2×4329493681² = 37489031067637859522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4329493601) 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, 2164746840 + 2164746841.

It is an arithmetic number, because the mean of its divisors is an integer number (2164746841).

Almost surely, 2^4329493681 is an apocalyptic number.

It is an amenable number.

4329493681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4329493681 is an equidigital number, since it uses as much as digits as its factorization.

4329493681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 49.

The square root of 4329493681 is about 65798.8881441016. Note that the first 3 decimals coincide. The cubic root of 4329493681 is about 1629.8427440597.

The spelling of 4329493681 in words is "four billion, three hundred twenty-nine million, four hundred ninety-three thousand, six hundred eighty-one".