21435306114 has 64 divisors (see below), whose sum is σ = 46665538560. Its totient is φ = 6542078400.

The previous prime is 21435306037. The next prime is 21435306119. The reversal of 21435306114 is 41160353412.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21435306119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378339 + ... + 431289.

It is an arithmetic number, because the mean of its divisors is an integer number (729149040).

Almost surely, 2^21435306114 is an apocalyptic number.

21435306114 is an abundant number, since it is smaller than the sum of its proper divisors (25230232446).

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

21435306114 is a wasteful number, since it uses less digits than its factorization.

21435306114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53095.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 21435306114 its reverse (41160353412), we get a palindrome (62595659526).

The spelling of 21435306114 in words is "twenty-one billion, four hundred thirty-five million, three hundred six thousand, one hundred fourteen".