328045872749 has 8 divisors (see below), whose sum is σ = 374936363328. Its totient is φ = 281162080800.

The previous prime is 328045872703. The next prime is 328045872793. The reversal of 328045872749 is 947278540823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 328045872749 - 2³⁶ = 259326396013 is a prime.

It is a super-2 number, since 2×328045872749² (a number of 24 digits) contains 22 as substring.

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 (328045872949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569272 + ... + 1765985.

It is an arithmetic number, because the mean of its divisors is an integer number (46867045416).

Almost surely, 2^328045872749 is an apocalyptic number.

It is an amenable number.

328045872749 is a deficient number, since it is larger than the sum of its proper divisors (46890490579).

328045872749 is a wasteful number, since it uses less digits than its factorization.

328045872749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349315.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 328045872749 in words is "three hundred twenty-eight billion, forty-five million, eight hundred seventy-two thousand, seven hundred forty-nine".