4043465645 has 8 divisors (see below), whose sum is σ = 4852686456. Its totient is φ = 3234420736.

The previous prime is 4043465641. The next prime is 4043465651. The reversal of 4043465645 is 5465643404.

It can be written as a sum of positive squares in 4 ways, for example, as 1629413956 + 2414051689 = 40366^2 + 49133^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4043465645 - 2² = 4043465641 is a prime.

It is a super-3 number, since 3×4043465645³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043465641) 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, 13409 + ... + 90921.

It is an arithmetic number, because the mean of its divisors is an integer number (606585807).

Almost surely, 2^4043465645 is an apocalyptic number.

It is an amenable number.

4043465645 is a deficient number, since it is larger than the sum of its proper divisors (809220811).

4043465645 is a wasteful number, since it uses less digits than its factorization.

4043465645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87951.

The product of its (nonzero) digits is 691200, while the sum is 41.

The square root of 4043465645 is about 63588.2508408590. The cubic root of 4043465645 is about 1593.1301345019.

The spelling of 4043465645 in words is "four billion, forty-three million, four hundred sixty-five thousand, six hundred forty-five".