21950241308 has 12 divisors (see below), whose sum is σ = 38414334000. Its totient is φ = 10974717312.

The previous prime is 21950241307. The next prime is 21950241311. The reversal of 21950241308 is 80314205912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21950241307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45068 + ... + 214316.

It is an arithmetic number, because the mean of its divisors is an integer number (3201194500).

Almost surely, 2^21950241308 is an apocalyptic number.

It is an amenable number.

21950241308 is a deficient number, since it is larger than the sum of its proper divisors (16464092692).

21950241308 is a wasteful number, since it uses less digits than its factorization.

21950241308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201676 (or 201674 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 21950241308 in words is "twenty-one billion, nine hundred fifty million, two hundred forty-one thousand, three hundred eight".