274648298321 has 2 divisors, whose sum is σ = 274648298322. Its totient is φ = 274648298320.

The previous prime is 274648298293. The next prime is 274648298339. The reversal of 274648298321 is 123892846472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157163880721 + 117484417600 = 396439^2 + 342760^2 .

It is a cyclic number.

It is not a de Polignac number, because 274648298321 - 2³⁴ = 257468429137 is a prime.

It is a super-2 number, since 2×274648298321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (274648298341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137324149160 + 137324149161.

It is an arithmetic number, because the mean of its divisors is an integer number (137324149161).

Almost surely, 2^274648298321 is an apocalyptic number.

It is an amenable number.

274648298321 is a deficient number, since it is larger than the sum of its proper divisors (1).

274648298321 is an equidigital number, since it uses as much as digits as its factorization.

274648298321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 56.

The spelling of 274648298321 in words is "two hundred seventy-four billion, six hundred forty-eight million, two hundred ninety-eight thousand, three hundred twenty-one".