544252211421 has 32 divisors (see below), whose sum is σ = 785508433920. Its totient is φ = 334308374400.

The previous prime is 544252211417. The next prime is 544252211441. The reversal of 544252211421 is 124112252445.

It is not a de Polignac number, because 544252211421 - 2² = 544252211417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544252211411) 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, 994125 + ... + 1441106.

It is an arithmetic number, because the mean of its divisors is an integer number (24547138560).

Almost surely, 2^544252211421 is an apocalyptic number.

It is an amenable number.

544252211421 is a deficient number, since it is larger than the sum of its proper divisors (241256222499).

544252211421 is a wasteful number, since it uses less digits than its factorization.

544252211421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435377.

The product of its digits is 25600, while the sum is 33.

Adding to 544252211421 its reverse (124112252445), we get a palindrome (668364463866).

The spelling of 544252211421 in words is "five hundred forty-four billion, two hundred fifty-two million, two hundred eleven thousand, four hundred twenty-one".