21432000041 has 8 divisors (see below), whose sum is σ = 21517267200. Its totient is φ = 21346778880.

The previous prime is 21432000013. The next prime is 21432000077. The reversal of 21432000041 is 14000023412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21432000041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21431999983 and 21432000019.

It is not an unprimeable number, because it can be changed into a prime (21432000241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153100 + ... + 1171538.

It is an arithmetic number, because the mean of its divisors is an integer number (2689658400).

Almost surely, 2^21432000041 is an apocalyptic number.

It is an amenable number.

21432000041 is a deficient number, since it is larger than the sum of its proper divisors (85267159).

21432000041 is a wasteful number, since it uses less digits than its factorization.

21432000041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22999.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 21432000041 its reverse (14000023412), we get a palindrome (35432023453).

The spelling of 21432000041 in words is "twenty-one billion, four hundred thirty-two million, forty-one", and thus it is an aban number.