329393613261 has 16 divisors (see below), whose sum is σ = 441010372608. Its totient is φ = 218687602800.

The previous prime is 329393613251. The next prime is 329393613287. The reversal of 329393613261 is 162316393923.

It is a happy number.

329393613261 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 329393613261 - 2¹⁴ = 329393596877 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 329393613261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329393613251) 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, 851776 + ... + 1176566.

It is an arithmetic number, because the mean of its divisors is an integer number (27563148288).

Almost surely, 2^329393613261 is an apocalyptic number.

It is an amenable number.

329393613261 is a deficient number, since it is larger than the sum of its proper divisors (111616759347).

329393613261 is a wasteful number, since it uses less digits than its factorization.

329393613261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326192.

The product of its digits is 944784, while the sum is 48.

The spelling of 329393613261 in words is "three hundred twenty-nine billion, three hundred ninety-three million, six hundred thirteen thousand, two hundred sixty-one".