2168410897 has 2 divisors, whose sum is σ = 2168410898. Its totient is φ = 2168410896.

The previous prime is 2168410879. The next prime is 2168410913. The reversal of 2168410897 is 7980148612.

Together with previous prime (2168410879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1399957056 + 768453841 = 37416^2 + 27721^2 .

It is a cyclic number.

It is not a de Polignac number, because 2168410897 - 2¹⁵ = 2168378129 is a prime.

It is not a weakly prime, because it can be changed into another prime (2168410817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084205448 + 1084205449.

It is an arithmetic number, because the mean of its divisors is an integer number (1084205449).

Almost surely, 2^2168410897 is an apocalyptic number.

It is an amenable number.

2168410897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168410897 is an equidigital number, since it uses as much as digits as its factorization.

2168410897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 2168410897 is about 46566.1990825964. The cubic root of 2168410897 is about 1294.3364861224.

The spelling of 2168410897 in words is "two billion, one hundred sixty-eight million, four hundred ten thousand, eight hundred ninety-seven".