21650046334 has 16 divisors (see below), whose sum is σ = 37197036000. Its totient is φ = 9257923584.

The previous prime is 21650046293. The next prime is 21650046343. The reversal of 21650046334 is 43364005612.

It is a self number, because there is not a number n which added to its sum of digits gives 21650046334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715799 + ... + 1728370.

It is an arithmetic number, because the mean of its divisors is an integer number (2324814750).

Almost surely, 2^21650046334 is an apocalyptic number.

21650046334 is a deficient number, since it is larger than the sum of its proper divisors (15546989666).

21650046334 is a wasteful number, since it uses less digits than its factorization.

21650046334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444627.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 21650046334 in words is "twenty-one billion, six hundred fifty million, forty-six thousand, three hundred thirty-four".