545214450481 has 2 divisors, whose sum is σ = 545214450482. Its totient is φ = 545214450480.

The previous prime is 545214450397. The next prime is 545214450491. The reversal of 545214450481 is 184054412545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478400472225 + 66813978256 = 691665^2 + 258484^2 .

It is a cyclic number.

It is not a de Polignac number, because 545214450481 - 2¹¹ = 545214448433 is a prime.

It is a super-2 number, since 2×545214450481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545214450491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272607225240 + 272607225241.

It is an arithmetic number, because the mean of its divisors is an integer number (272607225241).

Almost surely, 2^545214450481 is an apocalyptic number.

It is an amenable number.

545214450481 is a deficient number, since it is larger than the sum of its proper divisors (1).

545214450481 is an equidigital number, since it uses as much as digits as its factorization.

545214450481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512000, while the sum is 43.

The spelling of 545214450481 in words is "five hundred forty-five billion, two hundred fourteen million, four hundred fifty thousand, four hundred eighty-one".