4591306391369 has 2 divisors, whose sum is σ = 4591306391370. Its totient is φ = 4591306391368.

The previous prime is 4591306391297. The next prime is 4591306391431. The reversal of 4591306391369 is 9631936031954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4512225640000 + 79080751369 = 2124200^2 + 281213^2 .

It is a cyclic number.

It is not a de Polignac number, because 4591306391369 - 2³⁶ = 4522586914633 is a prime.

It is a super-2 number, since 2×4591306391369² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4591306391869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2295653195684 + 2295653195685.

It is an arithmetic number, because the mean of its divisors is an integer number (2295653195685).

Almost surely, 2^{4591306391369} is an apocalyptic number.

It is an amenable number.

4591306391369 is a deficient number, since it is larger than the sum of its proper divisors (1).

4591306391369 is an equidigital number, since it uses as much as digits as its factorization.

4591306391369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14171760, while the sum is 59.

The spelling of 4591306391369 in words is "four trillion, five hundred ninety-one billion, three hundred six million, three hundred ninety-one thousand, three hundred sixty-nine".