305864147593097 has 2 divisors, whose sum is σ = 305864147593098. Its totient is φ = 305864147593096.

The previous prime is 305864147593073. The next prime is 305864147593127. The reversal of 305864147593097 is 790395741468503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286545977773561 + 19318169819536 = 16927669^2 + 4395244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-305864147593097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 305864147593097.

It is not a weakly prime, because it can be changed into another prime (305864147593007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152932073796548 + 152932073796549.

It is an arithmetic number, because the mean of its divisors is an integer number (152932073796549).

Almost surely, 2^{305864147593097} is an apocalyptic number.

It is an amenable number.

305864147593097 is a deficient number, since it is larger than the sum of its proper divisors (1).

305864147593097 is an equidigital number, since it uses as much as digits as its factorization.

305864147593097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 685843200, while the sum is 71.

The spelling of 305864147593097 in words is "three hundred five trillion, eight hundred sixty-four billion, one hundred forty-seven million, five hundred ninety-three thousand, ninety-seven".