1443631160221 has 16 divisors (see below), whose sum is σ = 1543657250304. Its totient is φ = 1345288137984.

The previous prime is 1443631160219. The next prime is 1443631160233. The reversal of 1443631160221 is 1220611363441.

It is not a de Polignac number, because 1443631160221 - 2¹ = 1443631160219 is a prime.

It is a super-2 number, since 2×1443631160221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443631166221) by changing a digit.

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, 10530700 + ... + 10666906.

It is an arithmetic number, because the mean of its divisors is an integer number (96478578144).

Almost surely, 2^{1443631160221} is an apocalyptic number.

It is an amenable number.

1443631160221 is a deficient number, since it is larger than the sum of its proper divisors (100026090083).

1443631160221 is a wasteful number, since it uses less digits than its factorization.

1443631160221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142380.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 1443631160221 in words is "one trillion, four hundred forty-three billion, six hundred thirty-one million, one hundred sixty thousand, two hundred twenty-one".