2117094293449 has 2 divisors, whose sum is σ = 2117094293450. Its totient is φ = 2117094293448.

The previous prime is 2117094293437. The next prime is 2117094293507. The reversal of 2117094293449 is 9443924907112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127138942224 + 989955351225 = 1061668^2 + 994965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2117094293449 - 2²⁷ = 2116960075721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2117094293449.

It is not a weakly prime, because it can be changed into another prime (2117094290449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058547146724 + 1058547146725.

It is an arithmetic number, because the mean of its divisors is an integer number (1058547146725).

Almost surely, 2^{2117094293449} is an apocalyptic number.

It is an amenable number.

2117094293449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2117094293449 is an equidigital number, since it uses as much as digits as its factorization.

2117094293449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 2117094293449 in words is "two trillion, one hundred seventeen billion, ninety-four million, two hundred ninety-three thousand, four hundred forty-nine".