2121724048 has 20 divisors (see below), whose sum is σ = 4119094000. Its totient is φ = 1058732064.

The previous prime is 2121724039. The next prime is 2121724057. The reversal of 2121724048 is 8404271212.

It is an interprime number because it is at equal distance from previous prime (2121724039) and next prime (2121724057).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124890 + ... + 140857.

It is an arithmetic number, because the mean of its divisors is an integer number (205954700).

Almost surely, 2^2121724048 is an apocalyptic number.

It is an amenable number.

2121724048 is a deficient number, since it is larger than the sum of its proper divisors (1997369952).

2121724048 is a wasteful number, since it uses less digits than its factorization.

2121724048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266254 (or 266248 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2121724048 is about 46062.1758930253. The cubic root of 2121724048 is about 1284.9797971055.

The spelling of 2121724048 in words is "two billion, one hundred twenty-one million, seven hundred twenty-four thousand, forty-eight".