2182950454117 has 2 divisors, whose sum is σ = 2182950454118. Its totient is φ = 2182950454116.

The previous prime is 2182950454019. The next prime is 2182950454127. The reversal of 2182950454117 is 7114540592812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1115714763076 + 1067235691041 = 1056274^2 + 1033071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2182950454117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2182950454127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1091475227058 + 1091475227059.

It is an arithmetic number, because the mean of its divisors is an integer number (1091475227059).

Almost surely, 2^{2182950454117} is an apocalyptic number.

It is an amenable number.

2182950454117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2182950454117 is an equidigital number, since it uses as much as digits as its factorization.

2182950454117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 2182950454117 in words is "two trillion, one hundred eighty-two billion, nine hundred fifty million, four hundred fifty-four thousand, one hundred seventeen".