340375715209 has 2 divisors, whose sum is σ = 340375715210. Its totient is φ = 340375715208.

The previous prime is 340375715191. The next prime is 340375715333. The reversal of 340375715209 is 902517573043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269008195600 + 71367519609 = 518660^2 + 267147^2 .

It is a cyclic number.

It is not a de Polignac number, because 340375715209 - 2⁹ = 340375714697 is a prime.

It is not a weakly prime, because it can be changed into another prime (340375715509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170187857604 + 170187857605.

It is an arithmetic number, because the mean of its divisors is an integer number (170187857605).

Almost surely, 2^340375715209 is an apocalyptic number.

It is an amenable number.

340375715209 is a deficient number, since it is larger than the sum of its proper divisors (1).

340375715209 is an equidigital number, since it uses as much as digits as its factorization.

340375715209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 340375715209 in words is "three hundred forty billion, three hundred seventy-five million, seven hundred fifteen thousand, two hundred nine".