340954535454563 has 2 divisors, whose sum is σ = 340954535454564. Its totient is φ = 340954535454562.

The previous prime is 340954535454521. The next prime is 340954535454581. The reversal of 340954535454563 is 365454535459043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340954535454563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340954535454563.

It is not a weakly prime, because it can be changed into another prime (340953535454563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170477267727281 + 170477267727282.

It is an arithmetic number, because the mean of its divisors is an integer number (170477267727282).

Almost surely, 2^{340954535454563} is an apocalyptic number.

340954535454563 is a deficient number, since it is larger than the sum of its proper divisors (1).

340954535454563 is an equidigital number, since it uses as much as digits as its factorization.

340954535454563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400000, while the sum is 65.

The spelling of 340954535454563 in words is "three hundred forty trillion, nine hundred fifty-four billion, five hundred thirty-five million, four hundred fifty-four thousand, five hundred sixty-three".