340341878642903 has 2 divisors, whose sum is σ = 340341878642904. Its totient is φ = 340341878642902.

The previous prime is 340341878642881. The next prime is 340341878642917. The reversal of 340341878642903 is 309246878143043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340341878642903 - 2⁶ = 340341878642839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340341878642503) 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, 170170939321451 + 170170939321452.

It is an arithmetic number, because the mean of its divisors is an integer number (170170939321452).

Almost surely, 2^{340341878642903} is an apocalyptic number.

340341878642903 is a deficient number, since it is larger than the sum of its proper divisors (1).

340341878642903 is an equidigital number, since it uses as much as digits as its factorization.

340341878642903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83607552, while the sum is 62.

The spelling of 340341878642903 in words is "three hundred forty trillion, three hundred forty-one billion, eight hundred seventy-eight million, six hundred forty-two thousand, nine hundred three".