21342414104 has 32 divisors (see below), whose sum is σ = 45552983040. Its totient is φ = 9279309600.

The previous prime is 21342414097. The next prime is 21342414109. The reversal of 21342414104 is 40141424312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21342414109) 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, 5270312 + ... + 5274359.

It is an arithmetic number, because the mean of its divisors is an integer number (1423530720).

Almost surely, 2^21342414104 is an apocalyptic number.

It is an amenable number.

21342414104 is an abundant number, since it is smaller than the sum of its proper divisors (24210568936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21342414104 is a wasteful number, since it uses less digits than its factorization.

21342414104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544711 (or 10544707 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21342414104 its reverse (40141424312), we get a palindrome (61483838416).

The spelling of 21342414104 in words is "twenty-one billion, three hundred forty-two million, four hundred fourteen thousand, one hundred four".