2009617263 has 16 divisors (see below), whose sum is σ = 3079874400. Its totient is φ = 1293546240.

The previous prime is 2009617261. The next prime is 2009617273. The reversal of 2009617263 is 3627169002.

It is not a de Polignac number, because 2009617263 - 2¹ = 2009617261 is a prime.

It is a super-2 number, since 2×2009617263² = 8077123087495222338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009617261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282498 + ... + 1284063.

It is an arithmetic number, because the mean of its divisors is an integer number (192492150).

Almost surely, 2^2009617263 is an apocalyptic number.

2009617263 is a deficient number, since it is larger than the sum of its proper divisors (1070257137).

2009617263 is a wasteful number, since it uses less digits than its factorization.

2009617263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566599 (or 2566593 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2009617263 is about 44828.7548678301. The cubic root of 2009617263 is about 1261.9373201891.

The spelling of 2009617263 in words is "two billion, nine million, six hundred seventeen thousand, two hundred sixty-three".