272039972581 has 16 divisors (see below), whose sum is σ = 301035135744. Its totient is φ = 244263086784.

The previous prime is 272039972569. The next prime is 272039972621. The reversal of 272039972581 is 185279930272.

It is a cyclic number.

It is not a de Polignac number, because 272039972581 - 2⁵ = 272039972549 is a prime.

It is a super-2 number, since 2×272039972581² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272039972381) 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 15 ways as a sum of consecutive naturals, for example, 1266166 + ... + 1465351.

It is an arithmetic number, because the mean of its divisors is an integer number (18814695984).

Almost surely, 2^272039972581 is an apocalyptic number.

It is an amenable number.

272039972581 is a deficient number, since it is larger than the sum of its proper divisors (28995163163).

272039972581 is a wasteful number, since it uses less digits than its factorization.

272039972581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731740.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 272039972581 in words is "two hundred seventy-two billion, thirty-nine million, nine hundred seventy-two thousand, five hundred eighty-one".