21482889163437 has 64 divisors (see below), whose sum is σ = 33543513866240. Its totient is φ = 12111272409600.

The previous prime is 21482889163427. The next prime is 21482889163451. The reversal of 21482889163437 is 73436198828412.

It is not a de Polignac number, because 21482889163437 - 2³⁵ = 21448529425069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21482889163427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30130137 + ... + 30834897.

It is an arithmetic number, because the mean of its divisors is an integer number (524117404160).

Almost surely, 2^{21482889163437} is an apocalyptic number.

It is an amenable number.

21482889163437 is a deficient number, since it is larger than the sum of its proper divisors (12060624702803).

21482889163437 is a wasteful number, since it uses less digits than its factorization.

21482889163437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706154.

The product of its digits is 111476736, while the sum is 66.

The spelling of 21482889163437 in words is "twenty-one trillion, four hundred eighty-two billion, eight hundred eighty-nine million, one hundred sixty-three thousand, four hundred thirty-seven".