504426509045 has 4 divisors (see below), whose sum is σ = 605311810860. Its totient is φ = 403541207232.

The previous prime is 504426509039. The next prime is 504426509101. The reversal of 504426509045 is 540905624405.

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 250231053361 + 254195455684 = 500231^2 + 504178^2 .

It is a cyclic number.

It is not a de Polignac number, because 504426509045 - 2⁴ = 504426509029 is a prime.

It is a super-2 number, since 2×504426509045² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 504426508987 and 504426509005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50442650900 + ... + 50442650909.

It is an arithmetic number, because the mean of its divisors is an integer number (151327952715).

Almost surely, 2^504426509045 is an apocalyptic number.

It is an amenable number.

504426509045 is a deficient number, since it is larger than the sum of its proper divisors (100885301815).

504426509045 is a wasteful number, since it uses less digits than its factorization.

504426509045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100885301814.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 504426509045 in words is "five hundred four billion, four hundred twenty-six million, five hundred nine thousand, forty-five".