2149874558 has 16 divisors (see below), whose sum is σ = 3516838080. Its totient is φ = 979688736.

The previous prime is 2149874543. The next prime is 2149874579. The reversal of 2149874558 is 8554789412.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521285 + ... + 525392.

It is an arithmetic number, because the mean of its divisors is an integer number (219802380).

Almost surely, 2^2149874558 is an apocalyptic number.

2149874558 is a deficient number, since it is larger than the sum of its proper divisors (1366963522).

2149874558 is a wasteful number, since it uses less digits than its factorization.

2149874558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046771.

The product of its digits is 3225600, while the sum is 53.

The square root of 2149874558 is about 46366.7397818738. The cubic root of 2149874558 is about 1290.6377788939.

The spelling of 2149874558 in words is "two billion, one hundred forty-nine million, eight hundred seventy-four thousand, five hundred fifty-eight".