274917898721 has 2 divisors, whose sum is σ = 274917898722. Its totient is φ = 274917898720.

The previous prime is 274917898711. The next prime is 274917898741. The reversal of 274917898721 is 127898719472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143682693025 + 131235205696 = 379055^2 + 362264^2 .

It is a cyclic number.

It is not a de Polignac number, because 274917898721 - 2⁶ = 274917898657 is a prime.

It is not a weakly prime, because it can be changed into another prime (274917898711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137458949360 + 137458949361.

It is an arithmetic number, because the mean of its divisors is an integer number (137458949361).

Almost surely, 2^274917898721 is an apocalyptic number.

It is an amenable number.

274917898721 is a deficient number, since it is larger than the sum of its proper divisors (1).

274917898721 is an equidigital number, since it uses as much as digits as its factorization.

274917898721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28449792, while the sum is 65.

The spelling of 274917898721 in words is "two hundred seventy-four billion, nine hundred seventeen million, eight hundred ninety-eight thousand, seven hundred twenty-one".