2008495969 has 4 divisors (see below), whose sum is σ = 2008607380. Its totient is φ = 2008384560.

The previous prime is 2008495963. The next prime is 2008495981. The reversal of 2008495969 is 9695948002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1917388944 + 91107025 = 43788^2 + 9545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008495969 - 2³ = 2008495961 is a prime.

It is a super-2 number, since 2×2008495969² = 8068112114978497922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2008495961) 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, 21774 + ... + 67015.

It is an arithmetic number, because the mean of its divisors is an integer number (502151845).

Almost surely, 2^2008495969 is an apocalyptic number.

It is an amenable number.

2008495969 is a deficient number, since it is larger than the sum of its proper divisors (111411).

2008495969 is an equidigital number, since it uses as much as digits as its factorization.

2008495969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111410.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 2008495969 is about 44816.2467080857. The cubic root of 2008495969 is about 1261.7025713431.

The spelling of 2008495969 in words is "two billion, eight million, four hundred ninety-five thousand, nine hundred sixty-nine".