2149361702171 has 2 divisors, whose sum is σ = 2149361702172. Its totient is φ = 2149361702170.

The previous prime is 2149361702143. The next prime is 2149361702227. The reversal of 2149361702171 is 1712071639412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2149361702171 - 2⁶ = 2149361702107 is a prime.

It is a super-2 number, since 2×2149361702171² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2149361702141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074680851085 + 1074680851086.

It is an arithmetic number, because the mean of its divisors is an integer number (1074680851086).

Almost surely, 2^{2149361702171} is an apocalyptic number.

2149361702171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149361702171 is an equidigital number, since it uses as much as digits as its factorization.

2149361702171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 2149361702171 in words is "two trillion, one hundred forty-nine billion, three hundred sixty-one million, seven hundred two thousand, one hundred seventy-one".