272252473821 has 12 divisors (see below), whose sum is σ = 397991569248. Its totient is φ = 179314881864.

The previous prime is 272252473807. The next prime is 272252473847. The reversal of 272252473821 is 128374252272.

272252473821 is a `hidden beast` number, since 2 + 7 + 2 + 25 + 247 + 382 + 1 = 666.

It is not a de Polignac number, because 272252473821 - 2⁵ = 272252473789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272252473121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182229825 + ... + 182231318.

It is an arithmetic number, because the mean of its divisors is an integer number (33165964104).

Almost surely, 2^272252473821 is an apocalyptic number.

It is an amenable number.

272252473821 is a deficient number, since it is larger than the sum of its proper divisors (125739095427).

272252473821 is a wasteful number, since it uses less digits than its factorization.

272252473821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364461232 (or 364461229 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The spelling of 272252473821 in words is "two hundred seventy-two billion, two hundred fifty-two million, four hundred seventy-three thousand, eight hundred twenty-one".