300340640273393 has 2 divisors, whose sum is σ = 300340640273394. Its totient is φ = 300340640273392.

The previous prime is 300340640273389. The next prime is 300340640273419. The reversal of 300340640273393 is 393372046043003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237292704958864 + 63047935314529 = 15404308^2 + 7940273^2 .

It is a cyclic number.

It is not a de Polignac number, because 300340640273393 - 2² = 300340640273389 is a prime.

It is not a weakly prime, because it can be changed into another prime (300340640275393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150170320136696 + 150170320136697.

It is an arithmetic number, because the mean of its divisors is an integer number (150170320136697).

Almost surely, 2^{300340640273393} is an apocalyptic number.

It is an amenable number.

300340640273393 is a deficient number, since it is larger than the sum of its proper divisors (1).

300340640273393 is an equidigital number, since it uses as much as digits as its factorization.

300340640273393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 47.

The spelling of 300340640273393 in words is "three hundred trillion, three hundred forty billion, six hundred forty million, two hundred seventy-three thousand, three hundred ninety-three".