545323302109 has 2 divisors, whose sum is σ = 545323302110. Its totient is φ = 545323302108.

The previous prime is 545323302079. The next prime is 545323302143. The reversal of 545323302109 is 901203323545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350469920025 + 194853382084 = 592005^2 + 441422^2 .

It is a cyclic number.

It is not a de Polignac number, because 545323302109 - 2¹³ = 545323293917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545323302149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272661651054 + 272661651055.

It is an arithmetic number, because the mean of its divisors is an integer number (272661651055).

Almost surely, 2^545323302109 is an apocalyptic number.

It is an amenable number.

545323302109 is a deficient number, since it is larger than the sum of its proper divisors (1).

545323302109 is an equidigital number, since it uses as much as digits as its factorization.

545323302109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 545323302109 in words is "five hundred forty-five billion, three hundred twenty-three million, three hundred two thousand, one hundred nine".