344728682461 has 2 divisors, whose sum is σ = 344728682462. Its totient is φ = 344728682460.

The previous prime is 344728682453. The next prime is 344728682513. The reversal of 344728682461 is 164286827443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344715765625 + 12916836 = 587125^2 + 3594^2 .

It is a cyclic number.

It is not a de Polignac number, because 344728682461 - 2³ = 344728682453 is a prime.

It is a super-2 number, since 2×344728682461² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344728682761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172364341230 + 172364341231.

It is an arithmetic number, because the mean of its divisors is an integer number (172364341231).

Almost surely, 2^344728682461 is an apocalyptic number.

It is an amenable number.

344728682461 is a deficient number, since it is larger than the sum of its proper divisors (1).

344728682461 is an equidigital number, since it uses as much as digits as its factorization.

344728682461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12386304, while the sum is 55.

The spelling of 344728682461 in words is "three hundred forty-four billion, seven hundred twenty-eight million, six hundred eighty-two thousand, four hundred sixty-one".