344245402477 has 2 divisors, whose sum is σ = 344245402478. Its totient is φ = 344245402476.

The previous prime is 344245402399. The next prime is 344245402541. The reversal of 344245402477 is 774204542443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176916136996 + 167329265481 = 420614^2 + 409059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344245402477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344245403477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172122701238 + 172122701239.

It is an arithmetic number, because the mean of its divisors is an integer number (172122701239).

Almost surely, 2^344245402477 is an apocalyptic number.

It is an amenable number.

344245402477 is a deficient number, since it is larger than the sum of its proper divisors (1).

344245402477 is an equidigital number, since it uses as much as digits as its factorization.

344245402477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 46.

The spelling of 344245402477 in words is "three hundred forty-four billion, two hundred forty-five million, four hundred two thousand, four hundred seventy-seven".