5425905509 has 4 divisors (see below), whose sum is σ = 5426082816. Its totient is φ = 5425728204.

The previous prime is 5425905503. The next prime is 5425905517. The reversal of 5425905509 is 9055095245.

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 5425905509 - 2²⁸ = 5157470053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5425905509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5425905503) 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, 29669 + ... + 108314.

It is an arithmetic number, because the mean of its divisors is an integer number (1356520704).

Almost surely, 2^5425905509 is an apocalyptic number.

It is an amenable number.

5425905509 is a deficient number, since it is larger than the sum of its proper divisors (177307).

5425905509 is a wasteful number, since it uses less digits than its factorization.

5425905509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177306.

The product of its (nonzero) digits is 405000, while the sum is 44.

The square root of 5425905509 is about 73660.7460524261. The cubic root of 5425905509 is about 1757.2116562731.

The spelling of 5425905509 in words is "five billion, four hundred twenty-five million, nine hundred five thousand, five hundred nine".