272549291961 has 32 divisors (see below), whose sum is σ = 372880506240. Its totient is φ = 176983027200.

The previous prime is 272549291957. The next prime is 272549291977. The reversal of 272549291961 is 169192945272.

It is a happy number.

It is not a de Polignac number, because 272549291961 - 2² = 272549291957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (272549296961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85678791 + ... + 85681971.

It is an arithmetic number, because the mean of its divisors is an integer number (11652515820).

Almost surely, 2^272549291961 is an apocalyptic number.

It is an amenable number.

272549291961 is a deficient number, since it is larger than the sum of its proper divisors (100331214279).

272549291961 is a wasteful number, since it uses less digits than its factorization.

272549291961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857.

The product of its digits is 4898880, while the sum is 57.

The spelling of 272549291961 in words is "two hundred seventy-two billion, five hundred forty-nine million, two hundred ninety-one thousand, nine hundred sixty-one".