2686955004 has 72 divisors (see below), whose sum is σ = 7090615168. Its totient is φ = 889671600.

The previous prime is 2686954997. The next prime is 2686955041. The reversal of 2686955004 is 4005596862.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 137619 + ... + 155925.

Almost surely, 2^2686955004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2686955004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3545307584).

2686955004 is an abundant number, since it is smaller than the sum of its proper divisors (4403660164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2686955004 is a wasteful number, since it uses less digits than its factorization.

2686955004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18477 (or 18463 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 2686955004 is about 51835.8467086243. The cubic root of 2686955004 is about 1390.2304543454.

The spelling of 2686955004 in words is "two billion, six hundred eighty-six million, nine hundred fifty-five thousand, four".