2558318948 has 6 divisors (see below), whose sum is σ = 4477058166. Its totient is φ = 1279159472.

The previous prime is 2558318947. The next prime is 2558318963. The reversal of 2558318948 is 8498138552.

2558318948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2237479204 + 320839744 = 47302^2 + 17912^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2558318948.

It is not an unprimeable number, because it can be changed into a prime (2558318947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319789865 + ... + 319789872.

It is an arithmetic number, because the mean of its divisors is an integer number (746176361).

Almost surely, 2^2558318948 is an apocalyptic number.

It is an amenable number.

2558318948 is a deficient number, since it is larger than the sum of its proper divisors (1918739218).

2558318948 is a wasteful number, since it uses less digits than its factorization.

2558318948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639579741 (or 639579739 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The square root of 2558318948 is about 50579.8274809237. The cubic root of 2558318948 is about 1367.6812585999.

The spelling of 2558318948 in words is "two billion, five hundred fifty-eight million, three hundred eighteen thousand, nine hundred forty-eight".