21414312021414 has 16 divisors (see below), whose sum is σ = 46123133584752. Its totient is φ = 6589019083488.

The previous prime is 21414312021409. The next prime is 21414312021433. The reversal of 21414312021414 is 41412021341412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137271230829 + ... + 137271230984.

It is an arithmetic number, because the mean of its divisors is an integer number (2882695849047).

Almost surely, 2^{21414312021414} is an apocalyptic number.

21414312021414 is an abundant number, since it is smaller than the sum of its proper divisors (24708821563338).

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

21414312021414 is a wasteful number, since it uses less digits than its factorization.

21414312021414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274542461831.

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 21414312021414 its reverse (41412021341412), we get a palindrome (62826333362826).

The spelling of 21414312021414 in words is "twenty-one trillion, four hundred fourteen billion, three hundred twelve million, twenty-one thousand, four hundred fourteen".