8452040965 has 4 divisors (see below), whose sum is σ = 10142449164. Its totient is φ = 6761632768.

The previous prime is 8452040939. The next prime is 8452040969. The reversal of 8452040965 is 5690402548.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1827220516 + 6624820449 = 42746^2 + 81393^2 .

It is a cyclic number.

It is not a de Polignac number, because 8452040965 - 2⁹ = 8452040453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8452040969) 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, 845204092 + ... + 845204101.

It is an arithmetic number, because the mean of its divisors is an integer number (2535612291).

Almost surely, 2^8452040965 is an apocalyptic number.

It is an amenable number.

8452040965 is a deficient number, since it is larger than the sum of its proper divisors (1690408199).

8452040965 is a wasteful number, since it uses less digits than its factorization.

8452040965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690408198.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 8452040965 is about 91934.9822700804. The cubic root of 8452040965 is about 2036.9820302016.

The spelling of 8452040965 in words is "eight billion, four hundred fifty-two million, forty thousand, nine hundred sixty-five".