1344340651373 has 2 divisors, whose sum is σ = 1344340651374. Its totient is φ = 1344340651372.

The previous prime is 1344340651349. The next prime is 1344340651519. The reversal of 1344340651373 is 3731560434431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 700908863209 + 643431788164 = 837203^2 + 802142^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344340651373 - 2⁸ = 1344340651117 is a prime.

It is a super-3 number, since 3×1344340651373³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344340621373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672170325686 + 672170325687.

It is an arithmetic number, because the mean of its divisors is an integer number (672170325687).

Almost surely, 2^{1344340651373} is an apocalyptic number.

It is an amenable number.

1344340651373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344340651373 is an equidigital number, since it uses as much as digits as its factorization.

1344340651373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 1344340651373 in words is "one trillion, three hundred forty-four billion, three hundred forty million, six hundred fifty-one thousand, three hundred seventy-three".