2169499421417 has 2 divisors, whose sum is σ = 2169499421418. Its totient is φ = 2169499421416.

The previous prime is 2169499421381. The next prime is 2169499421483. The reversal of 2169499421417 is 7141249949612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1817807724121 + 351691697296 = 1348261^2 + 593036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2169499421417 is a prime.

It is not a weakly prime, because it can be changed into another prime (2169499426417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084749710708 + 1084749710709.

It is an arithmetic number, because the mean of its divisors is an integer number (1084749710709).

Almost surely, 2^{2169499421417} is an apocalyptic number.

It is an amenable number.

2169499421417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2169499421417 is an equidigital number, since it uses as much as digits as its factorization.

2169499421417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 59.

The spelling of 2169499421417 in words is "two trillion, one hundred sixty-nine billion, four hundred ninety-nine million, four hundred twenty-one thousand, four hundred seventeen".