4340213434521 has 32 divisors (see below), whose sum is σ = 6479930870400. Its totient is φ = 2871002257920.

The previous prime is 4340213434481. The next prime is 4340213434603. The reversal of 4340213434521 is 1254343120434.

4340213434521 is a `hidden beast` number, since 4 + 3 + 4 + 0 + 213 + 434 + 5 + 2 + 1 = 666.

It is not a de Polignac number, because 4340213434521 - 2³⁰ = 4339139692697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4340213434021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7607265 + ... + 8157873.

It is an arithmetic number, because the mean of its divisors is an integer number (202497839700).

Almost surely, 2^{4340213434521} is an apocalyptic number.

It is an amenable number.

4340213434521 is a deficient number, since it is larger than the sum of its proper divisors (2139717435879).

4340213434521 is a wasteful number, since it uses less digits than its factorization.

4340213434521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552886 (or 552880 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 4340213434521 its reverse (1254343120434), we get a palindrome (5594556554955).

The spelling of 4340213434521 in words is "four trillion, three hundred forty billion, two hundred thirteen million, four hundred thirty-four thousand, five hundred twenty-one".