28649694682 has 16 divisors (see below), whose sum is σ = 49117849920. Its totient is φ = 12277418688.

The previous prime is 28649694659. The next prime is 28649694691.

28649694682 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×28649694682² (a number of 22 digits) 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, 103473 + ... + 260779.

It is an arithmetic number, because the mean of its divisors is an integer number (3069865620).

Almost surely, 2^28649694682 is an apocalyptic number.

28649694682 is a deficient number, since it is larger than the sum of its proper divisors (20468155238).

28649694682 is a wasteful number, since it uses less digits than its factorization.

28649694682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170325.

The product of its digits is 71663616, while the sum is 64.

The spelling of 28649694682 in words is "twenty-eight billion, six hundred forty-nine million, six hundred ninety-four thousand, six hundred eighty-two".