329652027989 has 2 divisors, whose sum is σ = 329652027990. Its totient is φ = 329652027988.

The previous prime is 329652027983. The next prime is 329652028009. The reversal of 329652027989 is 989720256923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197113800625 + 132538227364 = 443975^2 + 364058^2 .

It is a cyclic number.

It is not a de Polignac number, because 329652027989 - 2⁴ = 329652027973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329652027983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164826013994 + 164826013995.

It is an arithmetic number, because the mean of its divisors is an integer number (164826013995).

Almost surely, 2^329652027989 is an apocalyptic number.

It is an amenable number.

329652027989 is a deficient number, since it is larger than the sum of its proper divisors (1).

329652027989 is an equidigital number, since it uses as much as digits as its factorization.

329652027989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 329652027989 in words is "three hundred twenty-nine billion, six hundred fifty-two million, twenty-seven thousand, nine hundred eighty-nine".