4091320436353 has 2 divisors, whose sum is σ = 4091320436354. Its totient is φ = 4091320436352.

The previous prime is 4091320436351. The next prime is 4091320436417. The reversal of 4091320436353 is 3536340231904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3364773886224 + 726546550129 = 1834332^2 + 852377^2 .

It is a cyclic number.

It is not a de Polignac number, because 4091320436353 - 2¹ = 4091320436351 is a prime.

It is a super-4 number, since 4×4091320436353⁴ (a number of 52 digits) contains 4444 as substring.

Together with 4091320436351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4091320436351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045660218176 + 2045660218177.

It is an arithmetic number, because the mean of its divisors is an integer number (2045660218177).

Almost surely, 2^{4091320436353} is an apocalyptic number.

It is an amenable number.

4091320436353 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091320436353 is an equidigital number, since it uses as much as digits as its factorization.

4091320436353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 4091320436353 in words is "four trillion, ninety-one billion, three hundred twenty million, four hundred thirty-six thousand, three hundred fifty-three".