272285497865691 has 6 divisors (see below), whose sum is σ = 393301274694900. Its totient is φ = 181523665243788.

The previous prime is 272285497865611. The next prime is 272285497865707. The reversal of 272285497865691 is 196568794582272.

272285497865691 is a `hidden beast` number, since 2 + 7 + 2 + 2 + 8 + 5 + 49 + 7 + 8 + 6 + 569 + 1 = 666.

It is not a de Polignac number, because 272285497865691 - 2¹⁴ = 272285497849307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272285497865691.

It is not an unprimeable number, because it can be changed into a prime (272285497865611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15126972103641 + ... + 15126972103658.

It is an arithmetic number, because the mean of its divisors is an integer number (65550212449150).

Almost surely, 2^{272285497865691} is an apocalyptic number.

272285497865691 is a deficient number, since it is larger than the sum of its proper divisors (121015776829209).

272285497865691 is a wasteful number, since it uses less digits than its factorization.

272285497865691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30253944207305 (or 30253944207302 counting only the distinct ones).

The product of its digits is 7315660800, while the sum is 81.

The spelling of 272285497865691 in words is "two hundred seventy-two trillion, two hundred eighty-five billion, four hundred ninety-seven million, eight hundred sixty-five thousand, six hundred ninety-one".