254089345898 has 16 divisors (see below), whose sum is σ = 386861529384. Its totient is φ = 125148273600.

The previous prime is 254089345877. The next prime is 254089345927. The reversal of 254089345898 is 898543980452.

It can be written as a sum of positive squares in 4 ways, for example, as 251465140369 + 2624205529 = 501463^2 + 51227^2 .

It is a super-2 number, since 2×254089345898² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152765 + ... + 3232352.

Almost surely, 2^254089345898 is an apocalyptic number.

254089345898 is a deficient number, since it is larger than the sum of its proper divisors (132772183486).

254089345898 is a wasteful number, since it uses less digits than its factorization.

254089345898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6385417.

The product of its (nonzero) digits is 99532800, while the sum is 65.

The spelling of 254089345898 in words is "two hundred fifty-four billion, eighty-nine million, three hundred forty-five thousand, eight hundred ninety-eight".