272021553745 has 8 divisors (see below), whose sum is σ = 335248185384. Its totient is φ = 211735695744.

The previous prime is 272021553743. The next prime is 272021553779. The reversal of 272021553745 is 547355120272.

It can be written as a sum of positive squares in 4 ways, for example, as 172078950976 + 99942602769 = 414824^2 + 316137^2 .

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 272021553745 - 2¹ = 272021553743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272021553743) 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, 735193204 + ... + 735193573.

It is an arithmetic number, because the mean of its divisors is an integer number (41906023173).

Almost surely, 2^272021553745 is an apocalyptic number.

It is an amenable number.

272021553745 is a deficient number, since it is larger than the sum of its proper divisors (63226631639).

272021553745 is a wasteful number, since it uses less digits than its factorization.

272021553745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470386819.

The product of its (nonzero) digits is 588000, while the sum is 43.

The spelling of 272021553745 in words is "two hundred seventy-two billion, twenty-one million, five hundred fifty-three thousand, seven hundred forty-five".