254544342404321 has 32 divisors (see below), whose sum is σ = 283138197504000. Its totient is φ = 227736368278848.

The previous prime is 254544342404293. The next prime is 254544342404327. The reversal of 254544342404321 is 123404243445452.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254544342404321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254544342404327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1549758920 + ... + 1549923158.

It is an arithmetic number, because the mean of its divisors is an integer number (8848068672000).

Almost surely, 2^{254544342404321} is an apocalyptic number.

It is an amenable number.

254544342404321 is a deficient number, since it is larger than the sum of its proper divisors (28593855099679).

254544342404321 is a wasteful number, since it uses less digits than its factorization.

254544342404321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209253.

The product of its (nonzero) digits is 7372800, while the sum is 47.

Adding to 254544342404321 its reverse (123404243445452), we get a palindrome (377948585849773).

The spelling of 254544342404321 in words is "two hundred fifty-four trillion, five hundred forty-four billion, three hundred forty-two million, four hundred four thousand, three hundred twenty-one".