2558485698 has 24 divisors (see below), whose sum is σ = 5400464688. Its totient is φ = 807942168.

The previous prime is 2558485693. The next prime is 2558485723. The reversal of 2558485698 is 8965848552.

It is a happy number.

2558485698 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2558485691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 588436 + ... + 592767.

It is an arithmetic number, because the mean of its divisors is an integer number (225019362).

Almost surely, 2^2558485698 is an apocalyptic number.

2558485698 is an abundant number, since it is smaller than the sum of its proper divisors (2841978990).

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

2558485698 is a wasteful number, since it uses less digits than its factorization.

2558485698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181246 (or 1181227 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 60.

The square root of 2558485698 is about 50581.4758384925. The cubic root of 2558485698 is about 1367.7109728901.

The spelling of 2558485698 in words is "two billion, five hundred fifty-eight million, four hundred eighty-five thousand, six hundred ninety-eight".