1344000776669 has 2 divisors, whose sum is σ = 1344000776670. Its totient is φ = 1344000776668.

The previous prime is 1344000776663. The next prime is 1344000776743. The reversal of 1344000776669 is 9666770004431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 882942122500 + 461058654169 = 939650^2 + 679013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344000776669 - 2⁸ = 1344000776413 is a prime.

It is a super-3 number, since 3×1344000776669³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1344000776669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344000776663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672000388334 + 672000388335.

It is an arithmetic number, because the mean of its divisors is an integer number (672000388335).

Almost surely, 2^{1344000776669} is an apocalyptic number.

It is an amenable number.

1344000776669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344000776669 is an equidigital number, since it uses as much as digits as its factorization.

1344000776669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 1344000776669 in words is "one trillion, three hundred forty-four billion, seven hundred seventy-six thousand, six hundred sixty-nine".