2558243364 has 12 divisors (see below), whose sum is σ = 5969234544. Its totient is φ = 852747784.

The previous prime is 2558243341. The next prime is 2558243377. The reversal of 2558243364 is 4633428552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106593462 + ... + 106593485.

It is an arithmetic number, because the mean of its divisors is an integer number (497436212).

Almost surely, 2^2558243364 is an apocalyptic number.

It is an amenable number.

2558243364 is an abundant number, since it is smaller than the sum of its proper divisors (3410991180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2558243364 is a wasteful number, since it uses less digits than its factorization.

2558243364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213186954 (or 213186952 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 2558243364 is about 50579.0803000608. The cubic root of 2558243364 is about 1367.6677893595.

The spelling of 2558243364 in words is "two billion, five hundred fifty-eight million, two hundred forty-three thousand, three hundred sixty-four".