52426331803609 has 3 divisors (see below), whose sum is σ = 52426339044213. Its totient is φ = 52426324563006.

The previous prime is 52426331803607. The next prime is 52426331803613. The reversal of 52426331803609 is 90630813362425.

The square root of 52426331803609 is 7240603.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 52426331803609 - 2¹ = 52426331803607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52426331803607) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3620302 + ... + 10860904.

It is an arithmetic number, because the mean of its divisors is an integer number (17475446348071).

Almost surely, 2^{52426331803609} is an apocalyptic number.

52426331803609 is the 7240603-rd square number.

52426331803609 is the 3620302-nd centered octagonal number.

It is an amenable number.

52426331803609 is a deficient number, since it is larger than the sum of its proper divisors (7240604).

52426331803609 is an frugal number, since it uses more digits than its factorization.

52426331803609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14481206 (or 7240603 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 52426331803609 in words is "fifty-two trillion, four hundred twenty-six billion, three hundred thirty-one million, eight hundred three thousand, six hundred nine".