8452540709 has 16 divisors (see below), whose sum is σ = 9263185920. Its totient is φ = 7677008640.

The previous prime is 8452540673. The next prime is 8452540757. The reversal of 8452540709 is 9070452548.

It is a happy number.

8452540709 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8452540709 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 8452540709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8452540799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1372892 + ... + 1379034.

It is an arithmetic number, because the mean of its divisors is an integer number (578949120).

Almost surely, 2^8452540709 is an apocalyptic number.

It is an amenable number.

8452540709 is a deficient number, since it is larger than the sum of its proper divisors (810645211).

8452540709 is a wasteful number, since it uses less digits than its factorization.

8452540709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8980.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 8452540709 is about 91937.7001506999. The cubic root of 8452540709 is about 2037.0221763032.

The spelling of 8452540709 in words is "eight billion, four hundred fifty-two million, five hundred forty thousand, seven hundred nine".