545442401171 has 2 divisors, whose sum is σ = 545442401172. Its totient is φ = 545442401170.

The previous prime is 545442401131. The next prime is 545442401191. The reversal of 545442401171 is 171104244545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545442401171 - 2⁶ = 545442401107 is a prime.

It is a super-2 number, since 2×545442401171² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545442401131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272721200585 + 272721200586.

It is an arithmetic number, because the mean of its divisors is an integer number (272721200586).

Almost surely, 2^545442401171 is an apocalyptic number.

545442401171 is a deficient number, since it is larger than the sum of its proper divisors (1).

545442401171 is an equidigital number, since it uses as much as digits as its factorization.

545442401171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 545442401171 in words is "five hundred forty-five billion, four hundred forty-two million, four hundred one thousand, one hundred seventy-one".