342544011521 has 8 divisors (see below), whose sum is σ = 349024904640. Its totient is φ = 336063777712.

The previous prime is 342544011499. The next prime is 342544011527. The reversal of 342544011521 is 125110445243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 342544011521 - 2⁶ = 342544011457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342544011527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 955436 + ... + 1264098.

It is an arithmetic number, because the mean of its divisors is an integer number (43628113080).

Almost surely, 2^342544011521 is an apocalyptic number.

It is an amenable number.

342544011521 is a deficient number, since it is larger than the sum of its proper divisors (6480893119).

342544011521 is a wasteful number, since it uses less digits than its factorization.

342544011521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329655.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 342544011521 its reverse (125110445243), we get a palindrome (467654456764).

The spelling of 342544011521 in words is "three hundred forty-two billion, five hundred forty-four million, eleven thousand, five hundred twenty-one".