8400669050 has 12 divisors (see below), whose sum is σ = 15625244526. Its totient is φ = 3360267600.

The previous prime is 8400669049. The next prime is 8400669097. The reversal of 8400669050 is 509660048.

It can be written as a sum of positive squares in 3 ways, for example, as 5493626161 + 2907042889 = 74119^2 + 53917^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8400668995 and 8400669013.

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 5 ways as a sum of consecutive naturals, for example, 84006641 + ... + 84006740.

Almost surely, 2^8400669050 is an apocalyptic number.

8400669050 is a deficient number, since it is larger than the sum of its proper divisors (7224575476).

8400669050 is a wasteful number, since it uses less digits than its factorization.

8400669050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168013393 (or 168013388 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 8400669050 is about 91655.1637934274. The cubic root of 8400669050 is about 2032.8466820368.

The spelling of 8400669050 in words is "eight billion, four hundred million, six hundred sixty-nine thousand, fifty".