1552274117209 has 2 divisors, whose sum is σ = 1552274117210. Its totient is φ = 1552274117208.

The previous prime is 1552274117143. The next prime is 1552274117237. The reversal of 1552274117209 is 9027114722551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1239314430025 + 312959687184 = 1113245^2 + 559428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1552274117209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1552274117609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776137058604 + 776137058605.

It is an arithmetic number, because the mean of its divisors is an integer number (776137058605).

Almost surely, 2^{1552274117209} is an apocalyptic number.

It is an amenable number.

1552274117209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1552274117209 is an equidigital number, since it uses as much as digits as its factorization.

1552274117209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 1552274117209 in words is "one trillion, five hundred fifty-two billion, two hundred seventy-four million, one hundred seventeen thousand, two hundred nine".