272413243421 has 16 divisors (see below), whose sum is σ = 297805413888. Its totient is φ = 247126110000.

The previous prime is 272413243397. The next prime is 272413243433. The reversal of 272413243421 is 124342314272.

It is a happy number.

It is not a de Polignac number, because 272413243421 - 2²² = 272409049117 is a prime.

It is a super-2 number, since 2×272413243421² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272413243481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12513296 + ... + 12535046.

It is an arithmetic number, because the mean of its divisors is an integer number (18612838368).

Almost surely, 2^272413243421 is an apocalyptic number.

It is an amenable number.

272413243421 is a deficient number, since it is larger than the sum of its proper divisors (25392170467).

272413243421 is a wasteful number, since it uses less digits than its factorization.

272413243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24112.

The product of its digits is 64512, while the sum is 35.

Adding to 272413243421 its reverse (124342314272), we get a palindrome (396755557693).

The spelling of 272413243421 in words is "two hundred seventy-two billion, four hundred thirteen million, two hundred forty-three thousand, four hundred twenty-one".