272813198445 has 16 divisors (see below), whose sum is σ = 485001241920. Its totient is φ = 145500372432.

The previous prime is 272813198393. The next prime is 272813198447. The reversal of 272813198445 is 544891318272.

272813198445 is a `hidden beast` number, since 2 + 7 + 2 + 8 + 1 + 3 + 198 + 445 = 666.

It is not a de Polignac number, because 272813198445 - 2⁶ = 272813198381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272813198391 and 272813198400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272813198447) 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, 1010419119 + ... + 1010419388.

It is an arithmetic number, because the mean of its divisors is an integer number (30312577620).

Almost surely, 2^272813198445 is an apocalyptic number.

It is an amenable number.

272813198445 is a deficient number, since it is larger than the sum of its proper divisors (212188043475).

272813198445 is a wasteful number, since it uses less digits than its factorization.

272813198445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020838521 (or 2020838515 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 272813198445 in words is "two hundred seventy-two billion, eight hundred thirteen million, one hundred ninety-eight thousand, four hundred forty-five".