28692619694 has 4 divisors (see below), whose sum is σ = 43038929544. Its totient is φ = 14346309846.

The previous prime is 28692619649. The next prime is 28692619717. The reversal of 28692619694 is 49691629682.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49691629682 = 2 ⋅24845814841.

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 as a sum of consecutive naturals, namely, 7173154922 + ... + 7173154925.

It is an arithmetic number, because the mean of its divisors is an integer number (10759732386).

Almost surely, 2^28692619694 is an apocalyptic number.

28692619694 is a deficient number, since it is larger than the sum of its proper divisors (14346309850).

28692619694 is a wasteful number, since it uses less digits than its factorization.

28692619694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14346309849.

The product of its digits is 20155392, while the sum is 62.

The spelling of 28692619694 in words is "twenty-eight billion, six hundred ninety-two million, six hundred nineteen thousand, six hundred ninety-four".