329330240653 has 4 divisors (see below), whose sum is σ = 329500791648. Its totient is φ = 329159689660.

The previous prime is 329330240641. The next prime is 329330240669. The reversal of 329330240653 is 356042033923.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356042033923 = 19 ⋅18739054417.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329330240653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329330240053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85272601 + ... + 85276462.

It is an arithmetic number, because the mean of its divisors is an integer number (82375197912).

Almost surely, 2^329330240653 is an apocalyptic number.

It is an amenable number.

329330240653 is a deficient number, since it is larger than the sum of its proper divisors (170550995).

329330240653 is a wasteful number, since it uses less digits than its factorization.

329330240653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170550994.

The product of its (nonzero) digits is 349920, while the sum is 40.

The spelling of 329330240653 in words is "three hundred twenty-nine billion, three hundred thirty million, two hundred forty thousand, six hundred fifty-three".