2008977569 has 4 divisors (see below), whose sum is σ = 2009482944. Its totient is φ = 2008472196.

The previous prime is 2008977517. The next prime is 2008977623. The reversal of 2008977569 is 9657798002.

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.

It is a cyclic number.

It is not a de Polignac number, because 2008977569 - 2²⁸ = 1740542113 is a prime.

It is a super-2 number, since 2×2008977569² = 8071981745490299522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2008977569.

It is not an unprimeable number, because it can be changed into a prime (2008977469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246677 + ... + 254690.

It is an arithmetic number, because the mean of its divisors is an integer number (502370736).

Almost surely, 2^2008977569 is an apocalyptic number.

It is an amenable number.

2008977569 is a deficient number, since it is larger than the sum of its proper divisors (505375).

2008977569 is an equidigital number, since it uses as much as digits as its factorization.

2008977569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505374.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The square root of 2008977569 is about 44821.6194374991. The cubic root of 2008977569 is about 1261.8034075588.

The spelling of 2008977569 in words is "two billion, eight million, nine hundred seventy-seven thousand, five hundred sixty-nine".