2085416897 has 4 divisors (see below), whose sum is σ = 2085508656. Its totient is φ = 2085325140.

The previous prime is 2085416873. The next prime is 2085416933. The reversal of 2085416897 is 7986145802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2085416897 - 2⁶ = 2085416833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085416857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16322 + ... + 66612.

It is an arithmetic number, because the mean of its divisors is an integer number (521377164).

Almost surely, 2^2085416897 is an apocalyptic number.

It is an amenable number.

2085416897 is a deficient number, since it is larger than the sum of its proper divisors (91759).

2085416897 is an equidigital number, since it uses as much as digits as its factorization.

2085416897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91758.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 2085416897 is about 45666.3650513154. The cubic root of 2085416897 is about 1277.6080199917.

The spelling of 2085416897 in words is "two billion, eighty-five million, four hundred sixteen thousand, eight hundred ninety-seven".