1344610020409 has 2 divisors, whose sum is σ = 1344610020410. Its totient is φ = 1344610020408.

The previous prime is 1344610020367. The next prime is 1344610020487. The reversal of 1344610020409 is 9040200164431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1192507680400 + 152102340009 = 1092020^2 + 390003^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344610020409 - 2³³ = 1336020085817 is a prime.

It is a super-3 number, since 3×1344610020409³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1344610029409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672305010204 + 672305010205.

It is an arithmetic number, because the mean of its divisors is an integer number (672305010205).

Almost surely, 2^{1344610020409} is an apocalyptic number.

It is an amenable number.

1344610020409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344610020409 is an equidigital number, since it uses as much as digits as its factorization.

1344610020409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 1344610020409 in words is "one trillion, three hundred forty-four billion, six hundred ten million, twenty thousand, four hundred nine".