2149874328 has 32 divisors (see below), whose sum is σ = 6142498560. Its totient is φ = 614249760.

The previous prime is 2149874327. The next prime is 2149874347. The reversal of 2149874328 is 8234789412.

It is a super-3 number, since 3×2149874328³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149874327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6398268 + ... + 6398603.

It is an arithmetic number, because the mean of its divisors is an integer number (191953080).

Almost surely, 2^2149874328 is an apocalyptic number.

2149874328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2149874328 is an abundant number, since it is smaller than the sum of its proper divisors (3992624232).

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

2149874328 is a wasteful number, since it uses less digits than its factorization.

2149874328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12796887 (or 12796883 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 2149874328 is about 46366.7373016476. The cubic root of 2149874328 is about 1290.6377328685.

The spelling of 2149874328 in words is "two billion, one hundred forty-nine million, eight hundred seventy-four thousand, three hundred twenty-eight".