2928061543691 has 2 divisors, whose sum is σ = 2928061543692. Its totient is φ = 2928061543690.

The previous prime is 2928061543679. The next prime is 2928061543717. The reversal of 2928061543691 is 1963451608292.

2928061543691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2928061543691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2928061543621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1464030771845 + 1464030771846.

It is an arithmetic number, because the mean of its divisors is an integer number (1464030771846).

Almost surely, 2^{2928061543691} is an apocalyptic number.

2928061543691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2928061543691 is an equidigital number, since it uses as much as digits as its factorization.

2928061543691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 2928061543691 in words is "two trillion, nine hundred twenty-eight billion, sixty-one million, five hundred forty-three thousand, six hundred ninety-one".