2928561205241 has 12 divisors (see below), whose sum is σ = 3470970888612. Its totient is φ = 2462833140768.

The previous prime is 2928561205217. The next prime is 2928561205253. The reversal of 2928561205241 is 1425021658292.

It can be written as a sum of positive squares in 2 ways, for example, as 1120625491216 + 1807935714025 = 1058596^2 + 1344595^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2928561205241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2928561205741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 563832830 + ... + 563838023.

It is an arithmetic number, because the mean of its divisors is an integer number (289247574051).

Almost surely, 2^{2928561205241} is an apocalyptic number.

It is an amenable number.

2928561205241 is a deficient number, since it is larger than the sum of its proper divisors (542409683371).

2928561205241 is a wasteful number, since it uses less digits than its factorization.

2928561205241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127670920 (or 1127670913 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 2928561205241 in words is "two trillion, nine hundred twenty-eight billion, five hundred sixty-one million, two hundred five thousand, two hundred forty-one".