545273372447 has 2 divisors, whose sum is σ = 545273372448. Its totient is φ = 545273372446.

The previous prime is 545273372419. The next prime is 545273372503. The reversal of 545273372447 is 744273372545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545273372447 - 2⁸ = 545273372191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545273372047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272636686223 + 272636686224.

It is an arithmetic number, because the mean of its divisors is an integer number (272636686224).

Almost surely, 2^545273372447 is an apocalyptic number.

545273372447 is a deficient number, since it is larger than the sum of its proper divisors (1).

545273372447 is an equidigital number, since it uses as much as digits as its factorization.

545273372447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19756800, while the sum is 53.

The spelling of 545273372447 in words is "five hundred forty-five billion, two hundred seventy-three million, three hundred seventy-two thousand, four hundred forty-seven".