340043751841 has 2 divisors, whose sum is σ = 340043751842. Its totient is φ = 340043751840.

The previous prime is 340043751799. The next prime is 340043751889. The reversal of 340043751841 is 148157340043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215021399616 + 125022352225 = 463704^2 + 353585^2 .

It is an emirp because it is prime and its reverse (148157340043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340043751841 - 2²³ = 340035363233 is a prime.

It is a super-2 number, since 2×340043751841² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340043751794 and 340043751803.

It is not a weakly prime, because it can be changed into another prime (340043251841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170021875920 + 170021875921.

It is an arithmetic number, because the mean of its divisors is an integer number (170021875921).

Almost surely, 2^340043751841 is an apocalyptic number.

It is an amenable number.

340043751841 is a deficient number, since it is larger than the sum of its proper divisors (1).

340043751841 is an equidigital number, since it uses as much as digits as its factorization.

340043751841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 340043751841 in words is "three hundred forty billion, forty-three million, seven hundred fifty-one thousand, eight hundred forty-one".