522140450103421 has 4 divisors (see below), whose sum is σ = 522144070014112. Its totient is φ = 522136830192732.

The previous prime is 522140450103403. The next prime is 522140450103449. The reversal of 522140450103421 is 124301054041225.

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-522140450103421 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 (522140450103221) 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, 1809738975 + ... + 1810027468.

It is an arithmetic number, because the mean of its divisors is an integer number (130536017503528).

Almost surely, 2^{522140450103421} is an apocalyptic number.

It is an amenable number.

522140450103421 is a deficient number, since it is larger than the sum of its proper divisors (3619910691).

522140450103421 is a wasteful number, since it uses less digits than its factorization.

522140450103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619910690.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 522140450103421 in words is "five hundred twenty-two trillion, one hundred forty billion, four hundred fifty million, one hundred three thousand, four hundred twenty-one".