545213597449 has 2 divisors, whose sum is σ = 545213597450. Its totient is φ = 545213597448.

The previous prime is 545213597417. The next prime is 545213597471. The reversal of 545213597449 is 944795312545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543658478224 + 1555119225 = 737332^2 + 39435^2 .

It is a cyclic number.

It is not a de Polignac number, because 545213597449 - 2⁵ = 545213597417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545213597393 and 545213597402.

It is not a weakly prime, because it can be changed into another prime (545213597249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272606798724 + 272606798725.

It is an arithmetic number, because the mean of its divisors is an integer number (272606798725).

Almost surely, 2^545213597449 is an apocalyptic number.

It is an amenable number.

545213597449 is a deficient number, since it is larger than the sum of its proper divisors (1).

545213597449 is an equidigital number, since it uses as much as digits as its factorization.

545213597449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216000, while the sum is 58.

The spelling of 545213597449 in words is "five hundred forty-five billion, two hundred thirteen million, five hundred ninety-seven thousand, four hundred forty-nine".