4888561345 has 4 divisors (see below), whose sum is σ = 5866273620. Its totient is φ = 3910849072.

The previous prime is 4888561313. The next prime is 4888561351. The reversal of 4888561345 is 5431658884.

It is a happy number.

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 2431574721 + 2456986624 = 49311^2 + 49568^2 .

It is a cyclic number.

It is not a de Polignac number, because 4888561345 - 2⁵ = 4888561313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4888561292 and 4888561301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488856130 + ... + 488856139.

It is an arithmetic number, because the mean of its divisors is an integer number (1466568405).

Almost surely, 2^4888561345 is an apocalyptic number.

It is an amenable number.

4888561345 is a deficient number, since it is larger than the sum of its proper divisors (977712275).

4888561345 is an equidigital number, since it uses as much as digits as its factorization.

4888561345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977712274.

The product of its digits is 3686400, while the sum is 52.

The square root of 4888561345 is about 69918.2475824445. The cubic root of 4888561345 is about 1697.1765526005.

The spelling of 4888561345 in words is "four billion, eight hundred eighty-eight million, five hundred sixty-one thousand, three hundred forty-five".