21941329041 has 24 divisors (see below), whose sum is σ = 33035447744. Its totient is φ = 14019778080.

The previous prime is 21941329031. The next prime is 21941329049. The reversal of 21941329041 is 14092314912.

21941329041 is a `hidden beast` number, since 219 + 413 + 29 + 0 + 4 + 1 = 666.

It is not a de Polignac number, because 21941329041 - 2⁵ = 21941329009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21941328987 and 21941329005.

It is not an unprimeable number, because it can be changed into a prime (21941329049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469405 + ... + 514026.

Almost surely, 2^21941329041 is an apocalyptic number.

It is an amenable number.

21941329041 is a deficient number, since it is larger than the sum of its proper divisors (11094118703).

21941329041 is a wasteful number, since it uses less digits than its factorization.

21941329041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983541 (or 983538 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 21941329041 in words is "twenty-one billion, nine hundred forty-one million, three hundred twenty-nine thousand, forty-one".