1344646341461 has 2 divisors, whose sum is σ = 1344646341462. Its totient is φ = 1344646341460.

The previous prime is 1344646341443. The next prime is 1344646341529. The reversal of 1344646341461 is 1641436464431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1271594522500 + 73051818961 = 1127650^2 + 270281^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344646341461 - 2⁶ = 1344646341397 is a prime.

It is a super-2 number, since 2×1344646341461² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1344646341161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672323170730 + 672323170731.

It is an arithmetic number, because the mean of its divisors is an integer number (672323170731).

Almost surely, 2^{1344646341461} is an apocalyptic number.

It is an amenable number.

1344646341461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344646341461 is an equidigital number, since it uses as much as digits as its factorization.

1344646341461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 47.

The spelling of 1344646341461 in words is "one trillion, three hundred forty-four billion, six hundred forty-six million, three hundred forty-one thousand, four hundred sixty-one".