350251530124421 has 4 divisors (see below), whose sum is σ = 350255241336000. Its totient is φ = 350247818912844.

The previous prime is 350251530124367. The next prime is 350251530124427. The reversal of 350251530124421 is 124421035152053.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-350251530124421 is a prime.

It is a super-2 number, since 2×350251530124421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350251530124427) 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 3 ways as a sum of consecutive naturals, for example, 1855464221 + ... + 1855652978.

It is an arithmetic number, because the mean of its divisors is an integer number (87563810334000).

Almost surely, 2^{350251530124421} is an apocalyptic number.

It is an amenable number.

350251530124421 is a deficient number, since it is larger than the sum of its proper divisors (3711211579).

350251530124421 is an equidigital number, since it uses as much as digits as its factorization.

350251530124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711211578.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 350251530124421 its reverse (124421035152053), we get a palindrome (474672565276474).

The spelling of 350251530124421 in words is "three hundred fifty trillion, two hundred fifty-one billion, five hundred thirty million, one hundred twenty-four thousand, four hundred twenty-one".