2945687820328 has 16 divisors (see below), whose sum is σ = 6025270541760. Its totient is φ = 1338949009200.

The previous prime is 2945687820289. The next prime is 2945687820353. The reversal of 2945687820328 is 8230287865492.

It is a super-2 number, since 2×2945687820328² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2945687820328.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16736862528 + ... + 16736862703.

It is an arithmetic number, because the mean of its divisors is an integer number (376579408860).

Almost surely, 2^{2945687820328} is an apocalyptic number.

It is an amenable number.

2945687820328 is an abundant number, since it is smaller than the sum of its proper divisors (3079582721432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945687820328 is a wasteful number, since it uses less digits than its factorization.

2945687820328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33473725248 (or 33473725244 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 64.

The spelling of 2945687820328 in words is "two trillion, nine hundred forty-five billion, six hundred eighty-seven million, eight hundred twenty thousand, three hundred twenty-eight".