273272471557 has 8 divisors (see below), whose sum is σ = 279318120984. Its totient is φ = 267259769088.

The previous prime is 273272471543. The next prime is 273272471579. The reversal of 273272471557 is 755174272372.

It can be written as a sum of positive squares in 4 ways, for example, as 87497316 + 273184974241 = 9354^2 + 522671^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273272471557 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 (273272471257) 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, 8219968 + ... + 8253145.

It is an arithmetic number, because the mean of its divisors is an integer number (34914765123).

Almost surely, 2^273272471557 is an apocalyptic number.

It is an amenable number.

273272471557 is a deficient number, since it is larger than the sum of its proper divisors (6045649427).

273272471557 is a wasteful number, since it uses less digits than its factorization.

273272471557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16473479.

The product of its digits is 5762400, while the sum is 52.

The spelling of 273272471557 in words is "two hundred seventy-three billion, two hundred seventy-two million, four hundred seventy-one thousand, five hundred fifty-seven".