2009464617878 has 8 divisors (see below), whose sum is σ = 3014284441368. Its totient is φ = 1004703137424.

The previous prime is 2009464617859. The next prime is 2009464617887. The reversal of 2009464617878 is 8787164649002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2009464617878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14499551 + ... + 14637482.

It is an arithmetic number, because the mean of its divisors is an integer number (376785555171).

Almost surely, 2^{2009464617878} is an apocalyptic number.

2009464617878 is a deficient number, since it is larger than the sum of its proper divisors (1004819823490).

2009464617878 is a wasteful number, since it uses less digits than its factorization.

2009464617878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29171518.

The product of its (nonzero) digits is 32514048, while the sum is 62.

The spelling of 2009464617878 in words is "two trillion, nine billion, four hundred sixty-four million, six hundred seventeen thousand, eight hundred seventy-eight".