21342132033 has 16 divisors (see below), whose sum is σ = 30067783680. Its totient is φ = 13427979984.

The previous prime is 21342132017. The next prime is 21342132083. The reversal of 21342132033 is 33023124312.

It is not a de Polignac number, because 21342132033 - 2⁴ = 21342132017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21342131994 and 21342132012.

It is not an unprimeable number, because it can be changed into a prime (21342132083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696841 + ... + 726822.

It is an arithmetic number, because the mean of its divisors is an integer number (1879236480).

Almost surely, 2^21342132033 is an apocalyptic number.

It is an amenable number.

21342132033 is a deficient number, since it is larger than the sum of its proper divisors (8725651647).

21342132033 is a wasteful number, since it uses less digits than its factorization.

21342132033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423948.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21342132033 its reverse (33023124312), we get a palindrome (54365256345).

The spelling of 21342132033 in words is "twenty-one billion, three hundred forty-two million, one hundred thirty-two thousand, thirty-three".