350400424366121 has 4 divisors (see below), whose sum is σ = 351016242335700. Its totient is φ = 349784606396544.

The previous prime is 350400424366093. The next prime is 350400424366133. The reversal of 350400424366121 is 121663424004053.

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 225346303148521 + 125054121217600 = 15011539^2 + 11182760^2 .

It is a cyclic number.

It is not a de Polignac number, because 350400424366121 - 2¹⁴ = 350400424349737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350400424366021) 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, 307908983936 + ... + 307908985073.

It is an arithmetic number, because the mean of its divisors is an integer number (87754060583925).

Almost surely, 2^{350400424366121} is an apocalyptic number.

It is an amenable number.

350400424366121 is a deficient number, since it is larger than the sum of its proper divisors (615817969579).

350400424366121 is an equidigital number, since it uses as much as digits as its factorization.

350400424366121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615817969578.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 350400424366121 in words is "three hundred fifty trillion, four hundred billion, four hundred twenty-four million, three hundred sixty-six thousand, one hundred twenty-one".