272740421551 has 8 divisors (see below), whose sum is σ = 309179425520. Its totient is φ = 238509842112.

The previous prime is 272740421467. The next prime is 272740421573. The reversal of 272740421551 is 155124047272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 272740421551 - 2⁹ = 272740421039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272740421251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552105870 + ... + 552106363.

It is an arithmetic number, because the mean of its divisors is an integer number (38647428190).

Almost surely, 2^272740421551 is an apocalyptic number.

272740421551 is a deficient number, since it is larger than the sum of its proper divisors (36439003969).

272740421551 is a wasteful number, since it uses less digits than its factorization.

272740421551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104212265.

The product of its (nonzero) digits is 156800, while the sum is 40.

The spelling of 272740421551 in words is "two hundred seventy-two billion, seven hundred forty million, four hundred twenty-one thousand, five hundred fifty-one".