928191929141 has 2 divisors, whose sum is σ = 928191929142. Its totient is φ = 928191929140.

The previous prime is 928191929101. The next prime is 928191929167. The reversal of 928191929141 is 141929191829.

928191929141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 522843240241 + 405348688900 = 723079^2 + 636670^2 .

It is a cyclic number.

It is not a de Polignac number, because 928191929141 - 2³⁸ = 653314022197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (928191929101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 464095964570 + 464095964571.

It is an arithmetic number, because the mean of its divisors is an integer number (464095964571).

Almost surely, 2^928191929141 is an apocalyptic number.

It is an amenable number.

928191929141 is a deficient number, since it is larger than the sum of its proper divisors (1).

928191929141 is an equidigital number, since it uses as much as digits as its factorization.

928191929141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 56.

The spelling of 928191929141 in words is "nine hundred twenty-eight billion, one hundred ninety-one million, nine hundred twenty-nine thousand, one hundred forty-one".