21414088455 has 16 divisors (see below), whose sum is σ = 34512636384. Its totient is φ = 11337482240.

The previous prime is 21414088433. The next prime is 21414088459. The reversal of 21414088455 is 55488041412.

It is not a de Polignac number, because 21414088455 - 2¹² = 21414084359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21414088459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5208186 + ... + 5212295.

It is an arithmetic number, because the mean of its divisors is an integer number (2157039774).

Almost surely, 2^21414088455 is an apocalyptic number.

21414088455 is a deficient number, since it is larger than the sum of its proper divisors (13098547929).

21414088455 is a wasteful number, since it uses less digits than its factorization.

21414088455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420626.

The product of its (nonzero) digits is 204800, while the sum is 42.

The spelling of 21414088455 in words is "twenty-one billion, four hundred fourteen million, eighty-eight thousand, four hundred fifty-five".