342245332521 has 24 divisors (see below), whose sum is σ = 502706880000. Its totient is φ = 224332722432.

The previous prime is 342245332501. The next prime is 342245332523. The reversal of 342245332521 is 125233542243.

342245332521 is a `hidden beast` number, since 34 + 2 + 24 + 53 + 32 + 521 = 666.

It is not a de Polignac number, because 342245332521 - 2⁷ = 342245332393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342245332523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 837096 + ... + 1176953.

It is an arithmetic number, because the mean of its divisors is an integer number (20946120000).

Almost surely, 2^342245332521 is an apocalyptic number.

It is an amenable number.

342245332521 is a deficient number, since it is larger than the sum of its proper divisors (160461547479).

342245332521 is a wasteful number, since it uses less digits than its factorization.

342245332521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2014373 (or 2014370 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 342245332521 its reverse (125233542243), we get a palindrome (467478874764).

The spelling of 342245332521 in words is "three hundred forty-two billion, two hundred forty-five million, three hundred thirty-two thousand, five hundred twenty-one".