272197906811 has 4 divisors (see below), whose sum is σ = 273579622272. Its totient is φ = 270816191352.

The previous prime is 272197906789. The next prime is 272197906819. The reversal of 272197906811 is 118609791272.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272197906811 - 2¹⁰ = 272197905787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272197906819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690857435 + ... + 690857828.

It is an arithmetic number, because the mean of its divisors is an integer number (68394905568).

Almost surely, 2^272197906811 is an apocalyptic number.

272197906811 is a deficient number, since it is larger than the sum of its proper divisors (1381715461).

272197906811 is a wasteful number, since it uses less digits than its factorization.

272197906811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381715460.

The product of its (nonzero) digits is 762048, while the sum is 53.

The spelling of 272197906811 in words is "two hundred seventy-two billion, one hundred ninety-seven million, nine hundred six thousand, eight hundred eleven".