503426545109 has 2 divisors, whose sum is σ = 503426545110. Its totient is φ = 503426545108.

The previous prime is 503426545103. The next prime is 503426545129. The reversal of 503426545109 is 901545624305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 464957606884 + 38468938225 = 681878^2 + 196135^2 .

It is a cyclic number.

It is not a de Polignac number, because 503426545109 - 2⁴ = 503426545093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503426545109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503426545103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251713272554 + 251713272555.

It is an arithmetic number, because the mean of its divisors is an integer number (251713272555).

Almost surely, 2^503426545109 is an apocalyptic number.

It is an amenable number.

503426545109 is a deficient number, since it is larger than the sum of its proper divisors (1).

503426545109 is an equidigital number, since it uses as much as digits as its factorization.

503426545109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 503426545109 in words is "five hundred three billion, four hundred twenty-six million, five hundred forty-five thousand, one hundred nine".