340401205099 has 2 divisors, whose sum is σ = 340401205100. Its totient is φ = 340401205098.

The previous prime is 340401205063. The next prime is 340401205121. The reversal of 340401205099 is 990502104043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340401205099 - 2³¹ = 338253721451 is a prime.

It is not a weakly prime, because it can be changed into another prime (340401205009) 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, 170200602549 + 170200602550.

It is an arithmetic number, because the mean of its divisors is an integer number (170200602550).

Almost surely, 2^340401205099 is an apocalyptic number.

340401205099 is a deficient number, since it is larger than the sum of its proper divisors (1).

340401205099 is an equidigital number, since it uses as much as digits as its factorization.

340401205099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 340401205099 in words is "three hundred forty billion, four hundred one million, two hundred five thousand, ninety-nine".