21950241310 has 8 divisors (see below), whose sum is σ = 39510434376. Its totient is φ = 8780096520.

The previous prime is 21950241307. The next prime is 21950241311. The reversal of 21950241310 is 1314205912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21950241310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21950241311) 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, 1097512056 + ... + 1097512075.

It is an arithmetic number, because the mean of its divisors is an integer number (4938804297).

Almost surely, 2^21950241310 is an apocalyptic number.

21950241310 is a deficient number, since it is larger than the sum of its proper divisors (17560193066).

21950241310 is a wasteful number, since it uses less digits than its factorization.

21950241310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195024138.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 21950241310 in words is "twenty-one billion, nine hundred fifty million, two hundred forty-one thousand, three hundred ten".