21214036536414 has 32 divisors (see below), whose sum is σ = 46137999979296. Its totient is φ = 6475508766720.

The previous prime is 21214036536403. The next prime is 21214036536449. The reversal of 21214036536414 is 41463563041212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2810546907 + ... + 2810554454.

It is an arithmetic number, because the mean of its divisors is an integer number (1441812499353).

Almost surely, 2^{21214036536414} is an apocalyptic number.

21214036536414 is an abundant number, since it is smaller than the sum of its proper divisors (24923963442882).

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

21214036536414 is a wasteful number, since it uses less digits than its factorization.

21214036536414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621101420.

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 21214036536414 its reverse (41463563041212), we get a palindrome (62677599577626).

The spelling of 21214036536414 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-six thousand, four hundred fourteen".