272244608491 has 4 divisors (see below), whose sum is σ = 272708398872. Its totient is φ = 271780818112.

The previous prime is 272244608443. The next prime is 272244608521. The reversal of 272244608491 is 194806442272.

It is a happy number.

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 272244608491 - 2²¹ = 272242511339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272244608401) 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, 231894310 + ... + 231895483.

It is an arithmetic number, because the mean of its divisors is an integer number (68177099718).

Almost surely, 2^272244608491 is an apocalyptic number.

272244608491 is a deficient number, since it is larger than the sum of its proper divisors (463790381).

272244608491 is an equidigital number, since it uses as much as digits as its factorization.

272244608491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463790380.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 272244608491 in words is "two hundred seventy-two billion, two hundred forty-four million, six hundred eight thousand, four hundred ninety-one".