2106348169 has 2 divisors, whose sum is σ = 2106348170. Its totient is φ = 2106348168.

The previous prime is 2106348157. The next prime is 2106348197. The reversal of 2106348169 is 9618436012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1119571600 + 986776569 = 33460^2 + 31413^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106348169 - 2²³ = 2097959561 is a prime.

It is a super-2 number, since 2×2106348169² = 8873405218099305122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2106348149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053174084 + 1053174085.

It is an arithmetic number, because the mean of its divisors is an integer number (1053174085).

Almost surely, 2^2106348169 is an apocalyptic number.

It is an amenable number.

2106348169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106348169 is an equidigital number, since it uses as much as digits as its factorization.

2106348169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 2106348169 is about 45894.9688854890. The cubic root of 2106348169 is about 1281.8682372411.

The spelling of 2106348169 in words is "two billion, one hundred six million, three hundred forty-eight thousand, one hundred sixty-nine".