350463335221 has 4 divisors (see below), whose sum is σ = 359935317292. Its totient is φ = 340991353152.

The previous prime is 350463335213. The next prime is 350463335231. The reversal of 350463335221 is 122533364053.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 222076562500 + 128386772721 = 471250^2 + 358311^2 .

It is a cyclic number.

It is not a de Polignac number, because 350463335221 - 2³ = 350463335213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 9471982033 = 350463335221 / (3 + 5 + 0 + 4 + 6 + 3 + 3 + 3 + 5 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350463335231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4735990980 + ... + 4735991053.

It is an arithmetic number, because the mean of its divisors is an integer number (89983829323).

Almost surely, 2^350463335221 is an apocalyptic number.

It is an amenable number.

350463335221 is a deficient number, since it is larger than the sum of its proper divisors (9471982071).

350463335221 is an equidigital number, since it uses as much as digits as its factorization.

350463335221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9471982070.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 350463335221 its reverse (122533364053), we get a palindrome (472996699274).

The spelling of 350463335221 in words is "three hundred fifty billion, four hundred sixty-three million, three hundred thirty-five thousand, two hundred twenty-one".