1344622253657 has 2 divisors, whose sum is σ = 1344622253658. Its totient is φ = 1344622253656.

The previous prime is 1344622253641. The next prime is 1344622253677. The reversal of 1344622253657 is 7563522264431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 713187006016 + 631435247641 = 844504^2 + 794629^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344622253657 - 2⁴ = 1344622253641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344622253677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672311126828 + 672311126829.

It is an arithmetic number, because the mean of its divisors is an integer number (672311126829).

Almost surely, 2^{1344622253657} is an apocalyptic number.

It is an amenable number.

1344622253657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344622253657 is an equidigital number, since it uses as much as digits as its factorization.

1344622253657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 50.

The spelling of 1344622253657 in words is "one trillion, three hundred forty-four billion, six hundred twenty-two million, two hundred fifty-three thousand, six hundred fifty-seven".