21442514051514 has 16 divisors (see below), whose sum is σ = 42893964403200. Its totient is φ = 7146015300480.

The previous prime is 21442514051479. The next prime is 21442514051537. The reversal of 21442514051514 is 41515041524412.

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 7 ways as a sum of consecutive naturals, for example, 372314647 + ... + 372372234.

It is an arithmetic number, because the mean of its divisors is an integer number (2680872775200).

Almost surely, 2^{21442514051514} is an apocalyptic number.

21442514051514 is an abundant number, since it is smaller than the sum of its proper divisors (21451450351686).

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

21442514051514 is a wasteful number, since it uses less digits than its factorization.

21442514051514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744691685.

The product of its (nonzero) digits is 128000, while the sum is 39.

Adding to 21442514051514 its reverse (41515041524412), we get a palindrome (62957555575926).

The spelling of 21442514051514 in words is "twenty-one trillion, four hundred forty-two billion, five hundred fourteen million, fifty-one thousand, five hundred fourteen".