340740700613 has 2 divisors, whose sum is σ = 340740700614. Its totient is φ = 340740700612.

The previous prime is 340740700609. The next prime is 340740700631. The reversal of 340740700613 is 316007047043.

Together with next prime (340740700631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189218910049 + 151521790564 = 434993^2 + 389258^2 .

It is a cyclic number.

It is not a de Polignac number, because 340740700613 - 2² = 340740700609 is a prime.

It is a super-2 number, since 2×340740700613² (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 (340740700673) 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, 170370350306 + 170370350307.

It is an arithmetic number, because the mean of its divisors is an integer number (170370350307).

Almost surely, 2^340740700613 is an apocalyptic number.

It is an amenable number.

340740700613 is a deficient number, since it is larger than the sum of its proper divisors (1).

340740700613 is an equidigital number, since it uses as much as digits as its factorization.

340740700613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 35.

Adding to 340740700613 its reverse (316007047043), we get a palindrome (656747747656).

The spelling of 340740700613 in words is "three hundred forty billion, seven hundred forty million, seven hundred thousand, six hundred thirteen".