274426105472369 has 2 divisors, whose sum is σ = 274426105472370. Its totient is φ = 274426105472368.

The previous prime is 274426105472357. The next prime is 274426105472371. The reversal of 274426105472369 is 963274501624472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243606542410000 + 30819563062369 = 15607900^2 + 5551537^2 .

It is a cyclic number.

It is not a de Polignac number, because 274426105472369 - 2²⁴ = 274426088695153 is a prime.

It is a super-2 number, since 2×274426105472369² (a number of 30 digits) contains 22 as substring.

Together with 274426105472371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (274426105472069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137213052736184 + 137213052736185.

It is an arithmetic number, because the mean of its divisors is an integer number (137213052736185).

Almost surely, 2^{274426105472369} is an apocalyptic number.

It is an amenable number.

274426105472369 is a deficient number, since it is larger than the sum of its proper divisors (1).

274426105472369 is an equidigital number, since it uses as much as digits as its factorization.

274426105472369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121927680, while the sum is 62.

The spelling of 274426105472369 in words is "two hundred seventy-four trillion, four hundred twenty-six billion, one hundred five million, four hundred seventy-two thousand, three hundred sixty-nine".