545545404545417 has 2 divisors, whose sum is σ = 545545404545418. Its totient is φ = 545545404545416.

The previous prime is 545545404545381. The next prime is 545545404545431. The reversal of 545545404545417 is 714545404545545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424719999517696 + 120825405027721 = 20608736^2 + 10992061^2 .

It is a cyclic number.

It is not a de Polignac number, because 545545404545417 - 2¹⁸ = 545545404283273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545545404545417.

It is not a weakly prime, because it can be changed into another prime (545545404545917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272772702272708 + 272772702272709.

It is an arithmetic number, because the mean of its divisors is an integer number (272772702272709).

Almost surely, 2^{545545404545417} is an apocalyptic number.

It is an amenable number.

545545404545417 is a deficient number, since it is larger than the sum of its proper divisors (1).

545545404545417 is an equidigital number, since it uses as much as digits as its factorization.

545545404545417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448000000, while the sum is 62.

The spelling of 545545404545417 in words is "five hundred forty-five trillion, five hundred forty-five billion, four hundred four million, five hundred forty-five thousand, four hundred seventeen".