329474279344989 has 16 divisors (see below), whose sum is σ = 439997381033984. Its totient is φ = 219300352009200.

The previous prime is 329474279344927. The next prime is 329474279344993. The reversal of 329474279344989 is 989443972474923.

It is not a de Polignac number, because 329474279344989 - 2¹⁷ = 329474279213917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329474279344589) 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, 653800452 + ... + 654304194.

It is an arithmetic number, because the mean of its divisors is an integer number (27499836314624).

Almost surely, 2^{329474279344989} is an apocalyptic number.

It is an amenable number.

329474279344989 is a deficient number, since it is larger than the sum of its proper divisors (110523101688995).

329474279344989 is a wasteful number, since it uses less digits than its factorization.

329474279344989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849888.

The product of its digits is 23702740992, while the sum is 84.

The spelling of 329474279344989 in words is "three hundred twenty-nine trillion, four hundred seventy-four billion, two hundred seventy-nine million, three hundred forty-four thousand, nine hundred eighty-nine".