272247074989 has 4 divisors (see below), whose sum is σ = 272248372924. Its totient is φ = 272245777056.

The previous prime is 272247074987. The next prime is 272247075007. The reversal of 272247074989 is 989470742272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 131104098889 + 141142976100 = 362083^2 + 375690^2 .

It is a cyclic number.

It is not a de Polignac number, because 272247074989 - 2¹ = 272247074987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272247074987) 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, 254352 + ... + 780505.

It is an arithmetic number, because the mean of its divisors is an integer number (68062093231).

Almost surely, 2^272247074989 is an apocalyptic number.

It is an amenable number.

272247074989 is a deficient number, since it is larger than the sum of its proper divisors (1297935).

272247074989 is a wasteful number, since it uses less digits than its factorization.

272247074989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297934.

The product of its (nonzero) digits is 28449792, while the sum is 61.

The spelling of 272247074989 in words is "two hundred seventy-two billion, two hundred forty-seven million, seventy-four thousand, nine hundred eighty-nine".