340206712513 has 2 divisors, whose sum is σ = 340206712514. Its totient is φ = 340206712512.

The previous prime is 340206712501. The next prime is 340206712561. The reversal of 340206712513 is 315217602043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329943401649 + 10263310864 = 574407^2 + 101308^2 .

It is a cyclic number.

It is not a de Polignac number, because 340206712513 - 2²⁵ = 340173158081 is a prime.

It is not a weakly prime, because it can be changed into another prime (340206712583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170103356256 + 170103356257.

It is an arithmetic number, because the mean of its divisors is an integer number (170103356257).

Almost surely, 2^340206712513 is an apocalyptic number.

It is an amenable number.

340206712513 is a deficient number, since it is larger than the sum of its proper divisors (1).

340206712513 is an equidigital number, since it uses as much as digits as its factorization.

340206712513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 340206712513 in words is "three hundred forty billion, two hundred six million, seven hundred twelve thousand, five hundred thirteen".