329680320945 has 16 divisors (see below), whose sum is σ = 532609763712. Its totient is φ = 174122421120.

The previous prime is 329680320943. The next prime is 329680320967. The reversal of 329680320945 is 549023086923.

It is a happy number.

329680320945 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 329680320945 - 2¹ = 329680320943 is a prime.

It is a super-2 number, since 2×329680320945² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (329680320943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106691116 + ... + 106694205.

It is an arithmetic number, because the mean of its divisors is an integer number (33288110232).

Almost surely, 2^329680320945 is an apocalyptic number.

It is an amenable number.

329680320945 is a deficient number, since it is larger than the sum of its proper divisors (202929442767).

329680320945 is a wasteful number, since it uses less digits than its factorization.

329680320945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213385432.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 329680320945 in words is "three hundred twenty-nine billion, six hundred eighty million, three hundred twenty thousand, nine hundred forty-five".