4553471991 has 8 divisors (see below), whose sum is σ = 6128037504. Its totient is φ = 3007277240.

The previous prime is 4553471963. The next prime is 4553472043. The reversal of 4553471991 is 1991743554.

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 4553471991 - 2⁷ = 4553471863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4553471991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4553471491) 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, 7092315 + ... + 7092956.

It is an arithmetic number, because the mean of its divisors is an integer number (766004688).

Almost surely, 2^4553471991 is an apocalyptic number.

4553471991 is a deficient number, since it is larger than the sum of its proper divisors (1574565513).

4553471991 is a wasteful number, since it uses less digits than its factorization.

4553471991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14185381.

The product of its digits is 680400, while the sum is 48.

The square root of 4553471991 is about 67479.4190179495. The cubic root of 4553471991 is about 1657.4771751007.

The spelling of 4553471991 in words is "four billion, five hundred fifty-three million, four hundred seventy-one thousand, nine hundred ninety-one".