4999687650 has 36 divisors (see below), whose sum is σ = 13432495362. Its totient is φ = 1333249920.

The previous prime is 4999687643. The next prime is 4999687663. The reversal of 4999687650 is 567869994.

It is a happy number.

4999687650 is a `hidden beast` number, since 499 + 9 + 6 + 87 + 65 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 2646176481 + 2353511169 = 51441^2 + 48513^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5554759 + ... + 5555658.

Almost surely, 2^4999687650 is an apocalyptic number.

4999687650 is an abundant number, since it is smaller than the sum of its proper divisors (8432807712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4999687650 is a wasteful number, since it uses less digits than its factorization.

4999687650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110435 (or 11110427 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The square root of 4999687650 is about 70708.4694361291. The cubic root of 4999687650 is about 1709.9403385361.

The spelling of 4999687650 in words is "four billion, nine hundred ninety-nine million, six hundred eighty-seven thousand, six hundred fifty".