274882101649 has 2 divisors, whose sum is σ = 274882101650. Its totient is φ = 274882101648.

The previous prime is 274882101643. The next prime is 274882101653. The reversal of 274882101649 is 946101288472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237466163025 + 37415938624 = 487305^2 + 193432^2 .

It is a cyclic number.

It is not a de Polignac number, because 274882101649 - 2²⁹ = 274345230737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274882101596 and 274882101605.

It is not a weakly prime, because it can be changed into another prime (274882101643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137441050824 + 137441050825.

It is an arithmetic number, because the mean of its divisors is an integer number (137441050825).

Almost surely, 2^274882101649 is an apocalyptic number.

It is an amenable number.

274882101649 is a deficient number, since it is larger than the sum of its proper divisors (1).

274882101649 is an equidigital number, since it uses as much as digits as its factorization.

274882101649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 274882101649 in words is "two hundred seventy-four billion, eight hundred eighty-two million, one hundred one thousand, six hundred forty-nine".