5309452509 has 4 divisors (see below), whose sum is σ = 7079270016. Its totient is φ = 3539635004.

The previous prime is 5309452507. The next prime is 5309452513. The reversal of 5309452509 is 9052549035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5309452509 - 2¹ = 5309452507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5309452507) 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, 884908749 + ... + 884908754.

It is an arithmetic number, because the mean of its divisors is an integer number (1769817504).

Almost surely, 2^5309452509 is an apocalyptic number.

It is an amenable number.

5309452509 is a deficient number, since it is larger than the sum of its proper divisors (1769817507).

5309452509 is a wasteful number, since it uses less digits than its factorization.

5309452509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769817506.

The product of its (nonzero) digits is 243000, while the sum is 42.

The square root of 5309452509 is about 72865.9900708142. The cubic root of 5309452509 is about 1744.5492998911.

The spelling of 5309452509 in words is "five billion, three hundred nine million, four hundred fifty-two thousand, five hundred nine".