21324750941 has 16 divisors (see below), whose sum is σ = 23416917888. Its totient is φ = 19299211200.

The previous prime is 21324750929. The next prime is 21324750943. The reversal of 21324750941 is 14905742312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21324750941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21324750895 and 21324750904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21324750943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203390 + ... + 289856.

It is an arithmetic number, because the mean of its divisors is an integer number (1463557368).

Almost surely, 2^21324750941 is an apocalyptic number.

It is an amenable number.

21324750941 is a deficient number, since it is larger than the sum of its proper divisors (2092166947).

21324750941 is a wasteful number, since it uses less digits than its factorization.

21324750941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86852.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 21324750941 in words is "twenty-one billion, three hundred twenty-four million, seven hundred fifty thousand, nine hundred forty-one".