329967378049 has 4 divisors (see below), whose sum is σ = 331408283860. Its totient is φ = 328526472240.

The previous prime is 329967378029. The next prime is 329967378053. The reversal of 329967378049 is 940873769923.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176513418225 + 153453959824 = 420135^2 + 391732^2 .

It is a cyclic number.

It is not a de Polignac number, because 329967378049 - 2³⁵ = 295607639681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329967378029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720452562 + ... + 720453019.

It is an arithmetic number, because the mean of its divisors is an integer number (82852070965).

Almost surely, 2^329967378049 is an apocalyptic number.

It is an amenable number.

329967378049 is a deficient number, since it is larger than the sum of its proper divisors (1440905811).

329967378049 is a wasteful number, since it uses less digits than its factorization.

329967378049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440905810.

The product of its (nonzero) digits is 123451776, while the sum is 67.

The spelling of 329967378049 in words is "three hundred twenty-nine billion, nine hundred sixty-seven million, three hundred seventy-eight thousand, forty-nine".