2149050449317 has 2 divisors, whose sum is σ = 2149050449318. Its totient is φ = 2149050449316.

The previous prime is 2149050449291. The next prime is 2149050449327. The reversal of 2149050449317 is 7139440509412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2050434980356 + 98615468961 = 1431934^2 + 314031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2149050449317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2149050449327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074525224658 + 1074525224659.

It is an arithmetic number, because the mean of its divisors is an integer number (1074525224659).

Almost surely, 2^{2149050449317} is an apocalyptic number.

It is an amenable number.

2149050449317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149050449317 is an equidigital number, since it uses as much as digits as its factorization.

2149050449317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 2149050449317 in words is "two trillion, one hundred forty-nine billion, fifty million, four hundred forty-nine thousand, three hundred seventeen".