4491432653 has 2 divisors, whose sum is σ = 4491432654. Its totient is φ = 4491432652.

The previous prime is 4491432619. The next prime is 4491432679. The reversal of 4491432653 is 3562341944.

4491432653 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2640109924 + 1851322729 = 51382^2 + 43027^2 .

It is a cyclic number.

It is not a de Polignac number, because 4491432653 - 2⁸ = 4491432397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4491432653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4491437653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2245716326 + 2245716327.

It is an arithmetic number, because the mean of its divisors is an integer number (2245716327).

Almost surely, 2^4491432653 is an apocalyptic number.

It is an amenable number.

4491432653 is a deficient number, since it is larger than the sum of its proper divisors (1).

4491432653 is an equidigital number, since it uses as much as digits as its factorization.

4491432653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 4491432653 is about 67018.1516680369. The cubic root of 4491432653 is about 1649.9152271108.

The spelling of 4491432653 in words is "four billion, four hundred ninety-one million, four hundred thirty-two thousand, six hundred fifty-three".