2638065682 has 16 divisors (see below), whose sum is σ = 4562422272. Its totient is φ = 1120593600.

The previous prime is 2638065667. The next prime is 2638065733. The reversal of 2638065682 is 2865608362.

It is a super-2 number, since 2×2638065682² = 13918781085092250248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832194 + ... + 835357.

It is an arithmetic number, because the mean of its divisors is an integer number (285151392).

Almost surely, 2^2638065682 is an apocalyptic number.

2638065682 is a deficient number, since it is larger than the sum of its proper divisors (1924356590).

2638065682 is a wasteful number, since it uses less digits than its factorization.

2638065682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667673.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 2638065682 is about 51362.1035589470. The cubic root of 2638065682 is about 1381.7470141333.

The spelling of 2638065682 in words is "two billion, six hundred thirty-eight million, sixty-five thousand, six hundred eighty-two".