2642886005 has 8 divisors (see below), whose sum is σ = 3187563192. Its totient is φ = 2103575488.

The previous prime is 2642885957. The next prime is 2642886041. The reversal of 2642886005 is 5006882462.

It can be written as a sum of positive squares in 4 ways, for example, as 1872379441 + 770506564 = 43271^2 + 27758^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642886005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1340582 + ... + 1342551.

It is an arithmetic number, because the mean of its divisors is an integer number (398445399).

Almost surely, 2^2642886005 is an apocalyptic number.

It is an amenable number.

2642886005 is a deficient number, since it is larger than the sum of its proper divisors (544677187).

2642886005 is a wasteful number, since it uses less digits than its factorization.

2642886005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683335.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 2642886005 is about 51409.0070415681. The cubic root of 2642886005 is about 1382.5880867370.

The spelling of 2642886005 in words is "two billion, six hundred forty-two million, eight hundred eighty-six thousand, five".