340058336581 has 2 divisors, whose sum is σ = 340058336582. Its totient is φ = 340058336580.

The previous prime is 340058336551. The next prime is 340058336593. The reversal of 340058336581 is 185633850043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222964340481 + 117093996100 = 472191^2 + 342190^2 .

It is an emirp because it is prime and its reverse (185633850043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340058336581 - 2⁹ = 340058336069 is a prime.

It is a super-2 number, since 2×340058336581² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340058336531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170029168290 + 170029168291.

It is an arithmetic number, because the mean of its divisors is an integer number (170029168291).

Almost surely, 2^340058336581 is an apocalyptic number.

It is an amenable number.

340058336581 is a deficient number, since it is larger than the sum of its proper divisors (1).

340058336581 is an equidigital number, since it uses as much as digits as its factorization.

340058336581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 340058336581 in words is "three hundred forty billion, fifty-eight million, three hundred thirty-six thousand, five hundred eighty-one".