350014521221421 has 32 divisors (see below), whose sum is σ = 573158107284480. Its totient is φ = 185433505272576.

The previous prime is 350014521221419. The next prime is 350014521221441. The reversal of 350014521221421 is 124122125410053.

It is not a de Polignac number, because 350014521221421 - 2¹ = 350014521221419 is a prime.

It is a super-3 number, since 3×350014521221421³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350014521221441) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7316639011 + ... + 7316686848.

It is an arithmetic number, because the mean of its divisors is an integer number (17911190852640).

Almost surely, 2^{350014521221421} is an apocalyptic number.

It is an amenable number.

350014521221421 is a deficient number, since it is larger than the sum of its proper divisors (223143586063059).

350014521221421 is a wasteful number, since it uses less digits than its factorization.

350014521221421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633325953.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 350014521221421 its reverse (124122125410053), we get a palindrome (474136646631474).

The spelling of 350014521221421 in words is "three hundred fifty trillion, fourteen billion, five hundred twenty-one million, two hundred twenty-one thousand, four hundred twenty-one".