340261420463 has 2 divisors, whose sum is σ = 340261420464. Its totient is φ = 340261420462.

The previous prime is 340261420417. The next prime is 340261420573. The reversal of 340261420463 is 364024162043.

It is a weak prime.

It is an emirp because it is prime and its reverse (364024162043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340261420463 - 2¹⁰ = 340261419439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340266420463) 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, 170130710231 + 170130710232.

It is an arithmetic number, because the mean of its divisors is an integer number (170130710232).

Almost surely, 2^340261420463 is an apocalyptic number.

340261420463 is a deficient number, since it is larger than the sum of its proper divisors (1).

340261420463 is an equidigital number, since it uses as much as digits as its factorization.

340261420463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 340261420463 in words is "three hundred forty billion, two hundred sixty-one million, four hundred twenty thousand, four hundred sixty-three".