2009464617879 has 40 divisors (see below), whose sum is σ = 3013684138080. Its totient is φ = 1334338660800.

The previous prime is 2009464617859. The next prime is 2009464617887. The reversal of 2009464617879 is 9787164649002.

2009464617879 is a `hidden beast` number, since 2 + 0 + 0 + 9 + 4 + 6 + 4 + 617 + 8 + 7 + 9 = 666.

It is not a de Polignac number, because 2009464617879 - 2⁵ = 2009464617847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009464617859) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 118327569 + ... + 118344549.

It is an arithmetic number, because the mean of its divisors is an integer number (75342103452).

Almost surely, 2^{2009464617879} is an apocalyptic number.

2009464617879 is a deficient number, since it is larger than the sum of its proper divisors (1004219520201).

2009464617879 is a wasteful number, since it uses less digits than its factorization.

2009464617879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22693 (or 22684 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 2009464617879 in words is "two trillion, nine billion, four hundred sixty-four million, six hundred seventeen thousand, eight hundred seventy-nine".