27359740273 has 2 divisors, whose sum is σ = 27359740274. Its totient is φ = 27359740272.

The previous prime is 27359740259. The next prime is 27359740351. The reversal of 27359740273 is 37204795372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27334670224 + 25070049 = 165332^2 + 5007^2 .

It is a cyclic number.

It is not a de Polignac number, because 27359740273 - 2²¹ = 27357643121 is a prime.

It is a super-2 number, since 2×27359740273² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27359749273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13679870136 + 13679870137.

It is an arithmetic number, because the mean of its divisors is an integer number (13679870137).

Almost surely, 2^27359740273 is an apocalyptic number.

It is an amenable number.

27359740273 is a deficient number, since it is larger than the sum of its proper divisors (1).

27359740273 is an equidigital number, since it uses as much as digits as its factorization.

27359740273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 27359740273 in words is "twenty-seven billion, three hundred fifty-nine million, seven hundred forty thousand, two hundred seventy-three".