21848940706 has 16 divisors (see below), whose sum is σ = 32844772800. Its totient is φ = 10900702800.

The previous prime is 21848940691. The next prime is 21848940727. The reversal of 21848940706 is 60704984812.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 21848940706.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3412300 + ... + 3418696.

It is an arithmetic number, because the mean of its divisors is an integer number (2052798300).

Almost surely, 2^21848940706 is an apocalyptic number.

21848940706 is a deficient number, since it is larger than the sum of its proper divisors (10995832094).

21848940706 is a wasteful number, since it uses less digits than its factorization.

21848940706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 21848940706 in words is "twenty-one billion, eight hundred forty-eight million, nine hundred forty thousand, seven hundred six".