2639086606 has 32 divisors (see below), whose sum is σ = 4508050176. Its totient is φ = 1149984000.

The previous prime is 2639086547. The next prime is 2639086621. The reversal of 2639086606 is 6066809362.

It is a happy number.

It is a super-2 number, since 2×2639086606² = 13929556227937198472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6885 + ... + 72976.

It is an arithmetic number, because the mean of its divisors is an integer number (140876568).

Almost surely, 2^2639086606 is an apocalyptic number.

2639086606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2639086606 is a deficient number, since it is larger than the sum of its proper divisors (1868963570).

2639086606 is a wasteful number, since it uses less digits than its factorization.

2639086606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79948.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 2639086606 is about 51372.0410924075. The cubic root of 2639086606 is about 1381.9252352145.

The spelling of 2639086606 in words is "two billion, six hundred thirty-nine million, eighty-six thousand, six hundred six".