4352221331343 has 12 divisors (see below), whose sum is σ = 6617412550840. Its totient is φ = 2748771367056.

The previous prime is 4352221331327. The next prime is 4352221331351. The reversal of 4352221331343 is 3431331222534.

4352221331343 is a `hidden beast` number, since 4 + 352 + 221 + 33 + 13 + 43 = 666.

It is not a de Polignac number, because 4352221331343 - 2⁴ = 4352221331327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4352221331298 and 4352221331307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4353221331343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12725793196 + ... + 12725793537.

Almost surely, 2^{4352221331343} is an apocalyptic number.

4352221331343 is a deficient number, since it is larger than the sum of its proper divisors (2265191219497).

4352221331343 is a wasteful number, since it uses less digits than its factorization.

4352221331343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25451586758 (or 25451586755 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

Adding to 4352221331343 its reverse (3431331222534), we get a palindrome (7783552553877).

The spelling of 4352221331343 in words is "four trillion, three hundred fifty-two billion, two hundred twenty-one million, three hundred thirty-one thousand, three hundred forty-three".