4591784826091 has 2 divisors, whose sum is σ = 4591784826092. Its totient is φ = 4591784826090.

The previous prime is 4591784826061. The next prime is 4591784826127. The reversal of 4591784826091 is 1906284871954.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4591784826091 - 2¹¹ = 4591784824043 is a prime.

It is a super-2 number, since 2×4591784826091² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4591784826061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2295892413045 + 2295892413046.

It is an arithmetic number, because the mean of its divisors is an integer number (2295892413046).

Almost surely, 2^{4591784826091} is an apocalyptic number.

4591784826091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4591784826091 is an equidigital number, since it uses as much as digits as its factorization.

4591784826091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 4591784826091 in words is "four trillion, five hundred ninety-one billion, seven hundred eighty-four million, eight hundred twenty-six thousand, ninety-one".