2143958648 has 16 divisors (see below), whose sum is σ = 4329147480. Its totient is φ = 989519328.

The previous prime is 2143958591. The next prime is 2143958693. The reversal of 2143958648 is 8468593412.

It is a junction number, because it is equal to n+sod(n) for n = 2143958596 and 2143958605.

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 3 ways as a sum of consecutive naturals, for example, 10307390 + ... + 10307597.

Almost surely, 2^2143958648 is an apocalyptic number.

It is an amenable number.

2143958648 is an abundant number, since it is smaller than the sum of its proper divisors (2185188832).

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

2143958648 is a wasteful number, since it uses less digits than its factorization.

2143958648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20615006 (or 20615002 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 2143958648 is about 46302.9010754186. The cubic root of 2143958648 is about 1289.4528553197.

The spelling of 2143958648 in words is "two billion, one hundred forty-three million, nine hundred fifty-eight thousand, six hundred forty-eight".