2123971448 has 48 divisors (see below), whose sum is σ = 4131038880. Its totient is φ = 1023744000.

The previous prime is 2123971429. The next prime is 2123971463. The reversal of 2123971448 is 8441793212.

It is a super-2 number, since 2×2123971448² = 9022509423838433408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3313208 + ... + 3313848.

It is an arithmetic number, because the mean of its divisors is an integer number (86063310).

Almost surely, 2^2123971448 is an apocalyptic number.

It is an amenable number.

2123971448 is a deficient number, since it is larger than the sum of its proper divisors (2007067432).

2123971448 is a wasteful number, since it uses less digits than its factorization.

2123971448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1105 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 2123971448 is about 46086.5647233551. The cubic root of 2123971448 is about 1285.4333346517.

The spelling of 2123971448 in words is "two billion, one hundred twenty-three million, nine hundred seventy-one thousand, four hundred forty-eight".