545522401309 has 2 divisors, whose sum is σ = 545522401310. Its totient is φ = 545522401308.

The previous prime is 545522401189. The next prime is 545522401373. The reversal of 545522401309 is 903104225545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292107820900 + 253414580409 = 540470^2 + 503403^2 .

It is a cyclic number.

It is not a de Polignac number, because 545522401309 - 2¹⁵ = 545522368541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545522401009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272761200654 + 272761200655.

It is an arithmetic number, because the mean of its divisors is an integer number (272761200655).

Almost surely, 2^545522401309 is an apocalyptic number.

It is an amenable number.

545522401309 is a deficient number, since it is larger than the sum of its proper divisors (1).

545522401309 is an equidigital number, since it uses as much as digits as its factorization.

545522401309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 545522401309 in words is "five hundred forty-five billion, five hundred twenty-two million, four hundred one thousand, three hundred nine".