136663350150449 has 2 divisors, whose sum is σ = 136663350150450. Its totient is φ = 136663350150448.

The previous prime is 136663350150443. The next prime is 136663350150451. The reversal of 136663350150449 is 944051053366631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132073763752225 + 4589586398224 = 11492335^2 + 2142332^2 .

It is a cyclic number.

It is not a de Polignac number, because 136663350150449 - 2³⁶ = 136594630673713 is a prime.

Together with 136663350150451, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 136663350150394 and 136663350150403.

It is not a weakly prime, because it can be changed into another prime (136663350150443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68331675075224 + 68331675075225.

It is an arithmetic number, because the mean of its divisors is an integer number (68331675075225).

Almost surely, 2^{136663350150449} is an apocalyptic number.

It is an amenable number.

136663350150449 is a deficient number, since it is larger than the sum of its proper divisors (1).

136663350150449 is an equidigital number, since it uses as much as digits as its factorization.

136663350150449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 56.

The spelling of 136663350150449 in words is "one hundred thirty-six trillion, six hundred sixty-three billion, three hundred fifty million, one hundred fifty thousand, four hundred forty-nine".