2439921682 has 24 divisors (see below), whose sum is σ = 4025515788. Its totient is φ = 1108319520.

The previous prime is 2439921667. The next prime is 2439921713. The reversal of 2439921682 is 2861299342.

It can be written as a sum of positive squares in 2 ways, for example, as 2405804401 + 34117281 = 49049^2 + 5841^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552708 + ... + 557104.

Almost surely, 2^2439921682 is an apocalyptic number.

2439921682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2439921682 is a deficient number, since it is larger than the sum of its proper divisors (1585594106).

2439921682 is a wasteful number, since it uses less digits than its factorization.

2439921682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6714 (or 6703 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 2439921682 is about 49395.5633837696. The cubic root of 2439921682 is about 1346.2486953873.

The spelling of 2439921682 in words is "two billion, four hundred thirty-nine million, nine hundred twenty-one thousand, six hundred eighty-two".