2642106859 has 16 divisors (see below), whose sum is σ = 3037003200. Its totient is φ = 2251607040.

The previous prime is 2642106851. The next prime is 2642106893. The reversal of 2642106859 is 9586012462.

It is a cyclic number.

It is not a de Polignac number, because 2642106859 - 2³ = 2642106851 is a prime.

It is a super-3 number, since 3×2642106859³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2642106851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1768917 + ... + 1770409.

It is an arithmetic number, because the mean of its divisors is an integer number (189812700).

Almost surely, 2^2642106859 is an apocalyptic number.

2642106859 is a deficient number, since it is larger than the sum of its proper divisors (394896341).

2642106859 is a wasteful number, since it uses less digits than its factorization.

2642106859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2642106859 is about 51401.4285696419. The cubic root of 2642106859 is about 1382.4522070140.

The spelling of 2642106859 in words is "two billion, six hundred forty-two million, one hundred six thousand, eight hundred fifty-nine".