350503220300421 has 8 divisors (see below), whose sum is σ = 467337713590624. Its totient is φ = 233668770271920.

The previous prime is 350503220300399. The next prime is 350503220300489. The reversal of 350503220300421 is 124003022305053.

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

It is not a de Polignac number, because 350503220300421 - 2⁷ = 350503220300293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350503220300491) 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, 25733715 + ... + 36921951.

It is an arithmetic number, because the mean of its divisors is an integer number (58417214198828).

Almost surely, 2^{350503220300421} is an apocalyptic number.

It is an amenable number.

350503220300421 is a deficient number, since it is larger than the sum of its proper divisors (116834493290203).

350503220300421 is a wasteful number, since it uses less digits than its factorization.

350503220300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21630851.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 350503220300421 its reverse (124003022305053), we get a palindrome (474506242605474).

The spelling of 350503220300421 in words is "three hundred fifty trillion, five hundred three billion, two hundred twenty million, three hundred thousand, four hundred twenty-one".