745558444855547 has 2 divisors, whose sum is σ = 745558444855548. Its totient is φ = 745558444855546.

The previous prime is 745558444855541. The next prime is 745558444855583.

745558444855547 is nontrivially palindromic in base 10.

745558444855547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 745558444855547 - 2⁴⁴ = 727966258811131 is a prime.

It is not a weakly prime, because it can be changed into another prime (745558444855541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372779222427773 + 372779222427774.

It is an arithmetic number, because the mean of its divisors is an integer number (372779222427774).

Almost surely, 2^{745558444855547} is an apocalyptic number.

745558444855547 is a deficient number, since it is larger than the sum of its proper divisors (1).

745558444855547 is an equidigital number, since it uses as much as digits as its factorization.

745558444855547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176000000, while the sum is 80.

The spelling of 745558444855547 in words is "seven hundred forty-five trillion, five hundred fifty-eight billion, four hundred forty-four million, eight hundred fifty-five thousand, five hundred forty-seven".