10642689578 has 8 divisors (see below), whose sum is σ = 15971158368. Its totient is φ = 5318970124.

The previous prime is 10642689529. The next prime is 10642689599. The reversal of 10642689578 is 87598624601.

It is a happy number.

10642689578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10642689578² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1181726 + ... + 1190697.

It is an arithmetic number, because the mean of its divisors is an integer number (1996394796).

Almost surely, 2^10642689578 is an apocalyptic number.

10642689578 is a deficient number, since it is larger than the sum of its proper divisors (5328468790).

10642689578 is a wasteful number, since it uses less digits than its factorization.

10642689578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374668.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 10642689578 in words is "ten billion, six hundred forty-two million, six hundred eighty-nine thousand, five hundred seventy-eight".