7509452713 has 24 divisors (see below), whose sum is σ = 8818062792. Its totient is φ = 6376091904.

The previous prime is 7509452659. The next prime is 7509452737. The reversal of 7509452713 is 3172549057.

It can be written as a sum of positive squares in 4 ways, for example, as 2551462144 + 4957990569 = 50512^2 + 70413^2 .

It is not a de Polignac number, because 7509452713 - 2¹³ = 7509444521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7509452713.

It is not an unprimeable number, because it can be changed into a prime (7509452773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2868181 + ... + 2870797.

It is an arithmetic number, because the mean of its divisors is an integer number (367419283).

Almost surely, 2^7509452713 is an apocalyptic number.

It is an amenable number.

7509452713 is a deficient number, since it is larger than the sum of its proper divisors (1308610079).

7509452713 is a wasteful number, since it uses less digits than its factorization.

7509452713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3154 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 7509452713 is about 86657.0984570797. The cubic root of 7509452713 is about 1958.2558335642.

The spelling of 7509452713 in words is "seven billion, five hundred nine million, four hundred fifty-two thousand, seven hundred thirteen".