275908752649 has 2 divisors, whose sum is σ = 275908752650. Its totient is φ = 275908752648.

The previous prime is 275908752631. The next prime is 275908752667. The reversal of 275908752649 is 946257809572.

It is a balanced prime because it is at equal distance from previous prime (275908752631) and next prime (275908752667).

It can be written as a sum of positive squares in only one way, i.e., 218743290000 + 57165462649 = 467700^2 + 239093^2 .

It is a cyclic number.

It is not a de Polignac number, because 275908752649 - 2²³ = 275900364041 is a prime.

It is a super-2 number, since 2×275908752649² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275908752949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137954376324 + 137954376325.

It is an arithmetic number, because the mean of its divisors is an integer number (137954376325).

Almost surely, 2^275908752649 is an apocalyptic number.

It is an amenable number.

275908752649 is a deficient number, since it is larger than the sum of its proper divisors (1).

275908752649 is an equidigital number, since it uses as much as digits as its factorization.

275908752649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 275908752649 in words is "two hundred seventy-five billion, nine hundred eight million, seven hundred fifty-two thousand, six hundred forty-nine".