274905664045069 has 2 divisors, whose sum is σ = 274905664045070. Its totient is φ = 274905664045068.

The previous prime is 274905664045043. The next prime is 274905664045087. The reversal of 274905664045069 is 960540466509472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271253093276169 + 3652570768900 = 16469763^2 + 1911170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274905664045069 is a prime.

It is a super-2 number, since 2×274905664045069² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 274905664044995 and 274905664045013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274905664045039) 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, 137452832022534 + 137452832022535.

It is an arithmetic number, because the mean of its divisors is an integer number (137452832022535).

Almost surely, 2^{274905664045069} is an apocalyptic number.

It is an amenable number.

274905664045069 is a deficient number, since it is larger than the sum of its proper divisors (1).

274905664045069 is an equidigital number, since it uses as much as digits as its factorization.

274905664045069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 391910400, while the sum is 67.

The spelling of 274905664045069 in words is "two hundred seventy-four trillion, nine hundred five billion, six hundred sixty-four million, forty-five thousand, sixty-nine".