272891635489 has 4 divisors (see below), whose sum is σ = 297699966000. Its totient is φ = 248083304980.

The previous prime is 272891635487. The next prime is 272891635501. The reversal of 272891635489 is 984536198272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272891635489 - 2¹ = 272891635487 is a prime.

It is a super-2 number, since 2×272891635489² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272891635489.

It is not an unprimeable number, because it can be changed into a prime (272891635487) 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, 12404165239 + ... + 12404165260.

It is an arithmetic number, because the mean of its divisors is an integer number (74424991500).

Almost surely, 2^272891635489 is an apocalyptic number.

It is an amenable number.

272891635489 is a deficient number, since it is larger than the sum of its proper divisors (24808330511).

272891635489 is a wasteful number, since it uses less digits than its factorization.

272891635489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24808330510.

The product of its digits is 52254720, while the sum is 64.

The spelling of 272891635489 in words is "two hundred seventy-two billion, eight hundred ninety-one million, six hundred thirty-five thousand, four hundred eighty-nine".