504652657432109 has 4 divisors (see below), whose sum is σ = 522054473205660. Its totient is φ = 487250841658560.

The previous prime is 504652657432097. The next prime is 504652657432163. The reversal of 504652657432109 is 901234756256405.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 384880755350884 + 119771902081225 = 19618378^2 + 10944035^2 .

It is not a de Polignac number, because 504652657432109 - 2¹⁶ = 504652657366573 is a prime.

It is a super-2 number, since 2×504652657432109² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504652657432409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8700907886732 + ... + 8700907886789.

It is an arithmetic number, because the mean of its divisors is an integer number (130513618301415).

Almost surely, 2^{504652657432109} is an apocalyptic number.

It is an amenable number.

504652657432109 is a deficient number, since it is larger than the sum of its proper divisors (17401815773551).

504652657432109 is a wasteful number, since it uses less digits than its factorization.

504652657432109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17401815773550.

The product of its (nonzero) digits is 54432000, while the sum is 59.

The spelling of 504652657432109 in words is "five hundred four trillion, six hundred fifty-two billion, six hundred fifty-seven million, four hundred thirty-two thousand, one hundred nine".