4666688450 has 12 divisors (see below), whose sum is σ = 8680040610. Its totient is φ = 1866675360.

The previous prime is 4666688449. The next prime is 4666688461. The reversal of 4666688450 is 548866664.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3978203329 + 688485121 = 63073^2 + 26239^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4666688392 and 4666688401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46666835 + ... + 46666934.

Almost surely, 2^4666688450 is an apocalyptic number.

4666688450 is a deficient number, since it is larger than the sum of its proper divisors (4013352160).

4666688450 is a wasteful number, since it uses less digits than its factorization.

4666688450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93333781 (or 93333776 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 53.

The square root of 4666688450 is about 68313.1645438857. The cubic root of 4666688450 is about 1671.1019118018.

The spelling of 4666688450 in words is "four billion, six hundred sixty-six million, six hundred eighty-eight thousand, four hundred fifty".