4328577691 has 4 divisors (see below), whose sum is σ = 4335593832. Its totient is φ = 4321561552.

The previous prime is 4328577677. The next prime is 4328577707. The reversal of 4328577691 is 1967758234.

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

It is a cyclic number.

It is not a de Polignac number, because 4328577691 - 2⁷ = 4328577563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4328577641) 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, 3507145 + ... + 3508378.

It is an arithmetic number, because the mean of its divisors is an integer number (1083898458).

Almost surely, 2^4328577691 is an apocalyptic number.

4328577691 is a deficient number, since it is larger than the sum of its proper divisors (7016141).

4328577691 is an equidigital number, since it uses as much as digits as its factorization.

4328577691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016140.

The product of its digits is 2540160, while the sum is 52.

The square root of 4328577691 is about 65791.9272479535. The cubic root of 4328577691 is about 1629.7277941323.

The spelling of 4328577691 in words is "four billion, three hundred twenty-eight million, five hundred seventy-seven thousand, six hundred ninety-one".