350444213043221 has 8 divisors (see below), whose sum is σ = 382303212861504. Its totient is φ = 318585285724320.

The previous prime is 350444213043191. The next prime is 350444213043233. The reversal of 350444213043221 is 122340312444053.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 350444213043221 - 2¹⁰ = 350444213042197 is a prime.

It is a super-2 number, since 2×350444213043221² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350444213043251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7760201 + ... + 27588206.

It is an arithmetic number, because the mean of its divisors is an integer number (47787901607688).

Almost surely, 2^{350444213043221} is an apocalyptic number.

It is an amenable number.

350444213043221 is a deficient number, since it is larger than the sum of its proper divisors (31858999818283).

350444213043221 is a wasteful number, since it uses less digits than its factorization.

350444213043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36249691.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 350444213043221 its reverse (122340312444053), we get a palindrome (472784525487274).

The spelling of 350444213043221 in words is "three hundred fifty trillion, four hundred forty-four billion, two hundred thirteen million, forty-three thousand, two hundred twenty-one".