2005670497 has 2 divisors, whose sum is σ = 2005670498. Its totient is φ = 2005670496.

The previous prime is 2005670461. The next prime is 2005670521. The reversal of 2005670497 is 7940765002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1007173696 + 998496801 = 31736^2 + 31599^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005670497 - 2¹⁵ = 2005637729 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005670297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002835248 + 1002835249.

It is an arithmetic number, because the mean of its divisors is an integer number (1002835249).

Almost surely, 2^2005670497 is an apocalyptic number.

It is an amenable number.

2005670497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005670497 is an equidigital number, since it uses as much as digits as its factorization.

2005670497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 2005670497 is about 44784.7127600479. The cubic root of 2005670497 is about 1261.1106560815.

The spelling of 2005670497 in words is "two billion, five million, six hundred seventy thousand, four hundred ninety-seven".