154338118717 has 2 divisors, whose sum is σ = 154338118718. Its totient is φ = 154338118716.

The previous prime is 154338118699. The next prime is 154338118723. The reversal of 154338118717 is 717811833451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152903678841 + 1434439876 = 391029^2 + 37874^2 .

It is a cyclic number.

It is not a de Polignac number, because 154338118717 - 2²³ = 154329730109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154338118787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77169059358 + 77169059359.

It is an arithmetic number, because the mean of its divisors is an integer number (77169059359).

Almost surely, 2^154338118717 is an apocalyptic number.

It is an amenable number.

154338118717 is a deficient number, since it is larger than the sum of its proper divisors (1).

154338118717 is an equidigital number, since it uses as much as digits as its factorization.

154338118717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 49.

The spelling of 154338118717 in words is "one hundred fifty-four billion, three hundred thirty-eight million, one hundred eighteen thousand, seven hundred seventeen".