545252353109 has 2 divisors, whose sum is σ = 545252353110. Its totient is φ = 545252353108.

The previous prime is 545252353069. The next prime is 545252353157. The reversal of 545252353109 is 901353252545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404254356100 + 140997997009 = 635810^2 + 375497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545252353109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545252353109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545252353189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272626176554 + 272626176555.

It is an arithmetic number, because the mean of its divisors is an integer number (272626176555).

Almost surely, 2^545252353109 is an apocalyptic number.

It is an amenable number.

545252353109 is a deficient number, since it is larger than the sum of its proper divisors (1).

545252353109 is an equidigital number, since it uses as much as digits as its factorization.

545252353109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 545252353109 in words is "five hundred forty-five billion, two hundred fifty-two million, three hundred fifty-three thousand, one hundred nine".