21048960339 has 12 divisors (see below), whose sum is σ = 33168058872. Its totient is φ = 12756945600.

The previous prime is 21048960337. The next prime is 21048960389. The reversal of 21048960339 is 93306984012.

It is a happy number.

21048960339 is a `hidden beast` number, since 2 + 1 + 0 + 4 + 8 + 9 + 603 + 39 = 666.

It is not a de Polignac number, because 21048960339 - 2¹ = 21048960337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21048960294 and 21048960303.

It is not an unprimeable number, because it can be changed into a prime (21048960337) by changing a digit.

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, 106307782 + ... + 106307979.

It is an arithmetic number, because the mean of its divisors is an integer number (2764004906).

Almost surely, 2^21048960339 is an apocalyptic number.

21048960339 is a deficient number, since it is larger than the sum of its proper divisors (12119098533).

21048960339 is a wasteful number, since it uses less digits than its factorization.

21048960339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212615778 (or 212615775 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 21048960339 in words is "twenty-one billion, forty-eight million, nine hundred sixty thousand, three hundred thirty-nine".