2830891325891 has 2 divisors, whose sum is σ = 2830891325892. Its totient is φ = 2830891325890.

The previous prime is 2830891325879. The next prime is 2830891325893. The reversal of 2830891325891 is 1985231980382.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2830891325891 - 2⁶ = 2830891325827 is a prime.

Together with 2830891325893, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2830891325891.

It is not a weakly prime, because it can be changed into another prime (2830891325893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1415445662945 + 1415445662946.

It is an arithmetic number, because the mean of its divisors is an integer number (1415445662946).

Almost surely, 2^{2830891325891} is an apocalyptic number.

2830891325891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2830891325891 is an equidigital number, since it uses as much as digits as its factorization.

2830891325891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 59.

The spelling of 2830891325891 in words is "two trillion, eight hundred thirty billion, eight hundred ninety-one million, three hundred twenty-five thousand, eight hundred ninety-one".