344025378461 has 2 divisors, whose sum is σ = 344025378462. Its totient is φ = 344025378460.

The previous prime is 344025378383. The next prime is 344025378469. The reversal of 344025378461 is 164873520443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296296237561 + 47729140900 = 544331^2 + 218470^2 .

It is a cyclic number.

It is not a de Polignac number, because 344025378461 - 2³⁸ = 69147471517 is a prime.

It is a super-2 number, since 2×344025378461² (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 (344025378469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172012689230 + 172012689231.

It is an arithmetic number, because the mean of its divisors is an integer number (172012689231).

Almost surely, 2^344025378461 is an apocalyptic number.

It is an amenable number.

344025378461 is a deficient number, since it is larger than the sum of its proper divisors (1).

344025378461 is an equidigital number, since it uses as much as digits as its factorization.

344025378461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 344025378461 in words is "three hundred forty-four billion, twenty-five million, three hundred seventy-eight thousand, four hundred sixty-one".