340703944187 has 2 divisors, whose sum is σ = 340703944188. Its totient is φ = 340703944186.

The previous prime is 340703944181. The next prime is 340703944213. The reversal of 340703944187 is 781449307043.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340703944187 - 2⁶ = 340703944123 is a prime.

It is a super-3 number, since 3×340703944187³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (340703944181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170351972093 + 170351972094.

It is an arithmetic number, because the mean of its divisors is an integer number (170351972094).

Almost surely, 2^340703944187 is an apocalyptic number.

340703944187 is a deficient number, since it is larger than the sum of its proper divisors (1).

340703944187 is an equidigital number, since it uses as much as digits as its factorization.

340703944187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 340703944187 in words is "three hundred forty billion, seven hundred three million, nine hundred forty-four thousand, one hundred eighty-seven".