350243431521345 has 48 divisors (see below), whose sum is σ = 629578979370432. Its totient is φ = 186794834909760.

The previous prime is 350243431521311. The next prime is 350243431521419. The reversal of 350243431521345 is 543125134342053.

350243431521345 is a `hidden beast` number, since 3 + 5 + 0 + 2 + 43 + 43 + 1 + 521 + 3 + 45 = 666.

It is not a de Polignac number, because 350243431521345 - 2⁹ = 350243431520833 is a prime.

It is a super-2 number, since 2×350243431521345² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 350243431521345.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 141916939 + ... + 144363791.

It is an arithmetic number, because the mean of its divisors is an integer number (13116228736884).

Almost surely, 2^{350243431521345} is an apocalyptic number.

It is an amenable number.

350243431521345 is a deficient number, since it is larger than the sum of its proper divisors (279335547849087).

350243431521345 is a wasteful number, since it uses less digits than its factorization.

350243431521345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564684 (or 2564672 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 350243431521345 its reverse (543125134342053), we get a palindrome (893368565863398).

The spelling of 350243431521345 in words is "three hundred fifty trillion, two hundred forty-three billion, four hundred thirty-one million, five hundred twenty-one thousand, three hundred forty-five".