2130243982 has 4 divisors (see below), whose sum is σ = 3195365976. Its totient is φ = 1065121990.

The previous prime is 2130243971. The next prime is 2130244001. The reversal of 2130243982 is 2893420312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532560994 + ... + 532560997.

It is an arithmetic number, because the mean of its divisors is an integer number (798841494).

Almost surely, 2^2130243982 is an apocalyptic number.

2130243982 is a deficient number, since it is larger than the sum of its proper divisors (1065121994).

2130243982 is a wasteful number, since it uses less digits than its factorization.

2130243982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065121993.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2130243982 is about 46154.5662096395. The cubic root of 2130243982 is about 1286.6974759581.

The spelling of 2130243982 in words is "two billion, one hundred thirty million, two hundred forty-three thousand, nine hundred eighty-two".