4661555273 has 4 divisors (see below), whose sum is σ = 4680898068. Its totient is φ = 4642212480.

The previous prime is 4661555257. The next prime is 4661555293. The reversal of 4661555273 is 3725551664.

It is a happy number.

4661555273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2844408889 + 1817146384 = 53333^2 + 42628^2 .

It is a cyclic number.

It is not a de Polignac number, because 4661555273 - 2⁴ = 4661555257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4661555203) 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, 9671036 + ... + 9671517.

It is an arithmetic number, because the mean of its divisors is an integer number (1170224517).

Almost surely, 2^4661555273 is an apocalyptic number.

It is an amenable number.

4661555273 is a deficient number, since it is larger than the sum of its proper divisors (19342795).

4661555273 is a wasteful number, since it uses less digits than its factorization.

4661555273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19342794.

The product of its digits is 756000, while the sum is 44.

The square root of 4661555273 is about 68275.5832856813. The cubic root of 4661555273 is about 1670.4889711628.

The spelling of 4661555273 in words is "four billion, six hundred sixty-one million, five hundred fifty-five thousand, two hundred seventy-three".