5258649509 has 8 divisors (see below), whose sum is σ = 5409257952. Its totient is φ = 5110118640.

The previous prime is 5258649497. The next prime is 5258649587. The reversal of 5258649509 is 9059468525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5258649509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5258642509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514259 + ... + 524384.

It is an arithmetic number, because the mean of its divisors is an integer number (676157244).

Almost surely, 2^5258649509 is an apocalyptic number.

It is an amenable number.

5258649509 is a deficient number, since it is larger than the sum of its proper divisors (150608443).

5258649509 is a wasteful number, since it uses less digits than its factorization.

5258649509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038787.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The square root of 5258649509 is about 72516.5464497586. The cubic root of 5258649509 is about 1738.9672725190.

The spelling of 5258649509 in words is "five billion, two hundred fifty-eight million, six hundred forty-nine thousand, five hundred nine".