545323534009 has 2 divisors, whose sum is σ = 545323534010. Its totient is φ = 545323534008.

The previous prime is 545323533977. The next prime is 545323534057. The reversal of 545323534009 is 900435323545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424634689600 + 120688844409 = 651640^2 + 347403^2 .

It is a cyclic number.

It is not a de Polignac number, because 545323534009 - 2⁵ = 545323533977 is a prime.

It is a super-2 number, since 2×545323534009² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545323534409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272661767004 + 272661767005.

It is an arithmetic number, because the mean of its divisors is an integer number (272661767005).

Almost surely, 2^545323534009 is an apocalyptic number.

It is an amenable number.

545323534009 is a deficient number, since it is larger than the sum of its proper divisors (1).

545323534009 is an equidigital number, since it uses as much as digits as its factorization.

545323534009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 545323534009 in words is "five hundred forty-five billion, three hundred twenty-three million, five hundred thirty-four thousand, nine".