272661651263 has 4 divisors (see below), whose sum is σ = 278462963040. Its totient is φ = 266860339488.

The previous prime is 272661651181. The next prime is 272661651289. The reversal of 272661651263 is 362156166272.

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 272661651263 - 2²² = 272657456959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 5801311729 = 272661651263 / (2 + 7 + 2 + 6 + 6 + 1 + 6 + 5 + 1 + 2 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272661651293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2900655818 + ... + 2900655911.

It is an arithmetic number, because the mean of its divisors is an integer number (69615740760).

Almost surely, 2^272661651263 is an apocalyptic number.

272661651263 is a deficient number, since it is larger than the sum of its proper divisors (5801311777).

272661651263 is an equidigital number, since it uses as much as digits as its factorization.

272661651263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801311776.

The product of its digits is 1088640, while the sum is 47.

The spelling of 272661651263 in words is "two hundred seventy-two billion, six hundred sixty-one million, six hundred fifty-one thousand, two hundred sixty-three".