4402821057991 has 2 divisors, whose sum is σ = 4402821057992. Its totient is φ = 4402821057990.

The previous prime is 4402821057967. The next prime is 4402821058019. The reversal of 4402821057991 is 1997501282044.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4402821057991 - 2⁵ = 4402821057959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4402821057931) by changing a digit.

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 as a sum of consecutive naturals, namely, 2201410528995 + 2201410528996.

It is an arithmetic number, because the mean of its divisors is an integer number (2201410528996).

Almost surely, 2^{4402821057991} is an apocalyptic number.

4402821057991 is a deficient number, since it is larger than the sum of its proper divisors (1).

4402821057991 is an equidigital number, since it uses as much as digits as its factorization.

4402821057991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 4402821057991 in words is "four trillion, four hundred two billion, eight hundred twenty-one million, fifty-seven thousand, nine hundred ninety-one".