2028069686 has 8 divisors (see below), whose sum is σ = 3042872040. Its totient is φ = 1013779008.

The previous prime is 2028069683. The next prime is 2028069733. The reversal of 2028069686 is 6869608202.

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

It is a super-2 number, since 2×2028069686² = 8226133302544277192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028069686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028069683) by changing a digit.

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, 117851 + ... + 133958.

It is an arithmetic number, because the mean of its divisors is an integer number (380359005).

Almost surely, 2^2028069686 is an apocalyptic number.

2028069686 is a deficient number, since it is larger than the sum of its proper divisors (1014802354).

2028069686 is a wasteful number, since it uses less digits than its factorization.

2028069686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255838.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 2028069686 is about 45034.0947061224. The cubic root of 2028069686 is about 1265.7879525925.

The spelling of 2028069686 in words is "two billion, twenty-eight million, sixty-nine thousand, six hundred eighty-six".