21342132034 has 8 divisors (see below), whose sum is σ = 32013817920. Its totient is φ = 10670859396.

The previous prime is 21342132017. The next prime is 21342132083. The reversal of 21342132034 is 43023124312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151347 + ... + 256105.

It is an arithmetic number, because the mean of its divisors is an integer number (4001727240).

Almost surely, 2^21342132034 is an apocalyptic number.

21342132034 is a deficient number, since it is larger than the sum of its proper divisors (10671685886).

21342132034 is a wasteful number, since it uses less digits than its factorization.

21342132034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206624.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21342132034 its reverse (43023124312), we get a palindrome (64365256346).

The spelling of 21342132034 in words is "twenty-one billion, three hundred forty-two million, one hundred thirty-two thousand, thirty-four".