4305640691 has 16 divisors (see below), whose sum is σ = 4733379168. Its totient is φ = 3884025600.

The previous prime is 4305640663. The next prime is 4305640723. The reversal of 4305640691 is 1960465034.

4305640691 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 not a de Polignac number, because 4305640691 - 2²⁶ = 4238531827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4305660691) 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, 1886471 + ... + 1888751.

It is an arithmetic number, because the mean of its divisors is an integer number (295836198).

Almost surely, 2^4305640691 is an apocalyptic number.

4305640691 is a deficient number, since it is larger than the sum of its proper divisors (427738477).

4305640691 is a wasteful number, since it uses less digits than its factorization.

4305640691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 4305640691 is about 65617.3810129603. The cubic root of 4305640691 is about 1626.8440687155.

The spelling of 4305640691 in words is "four billion, three hundred five million, six hundred forty thousand, six hundred ninety-one".