2148936382 has 4 divisors (see below), whose sum is σ = 3223404576. Its totient is φ = 1074468190.

The previous prime is 2148936373. The next prime is 2148936389. The reversal of 2148936382 is 2836398412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148936389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537234094 + ... + 537234097.

It is an arithmetic number, because the mean of its divisors is an integer number (805851144).

Almost surely, 2^2148936382 is an apocalyptic number.

2148936382 is a deficient number, since it is larger than the sum of its proper divisors (1074468194).

2148936382 is a wasteful number, since it uses less digits than its factorization.

2148936382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074468193.

The product of its digits is 497664, while the sum is 46.

The square root of 2148936382 is about 46356.6217707891. The cubic root of 2148936382 is about 1290.4500126574.

The spelling of 2148936382 in words is "two billion, one hundred forty-eight million, nine hundred thirty-six thousand, three hundred eighty-two".