4999927509 has 12 divisors (see below), whose sum is σ = 7223728876. Its totient is φ = 3332541312.

The previous prime is 4999927489. The next prime is 4999927523. The reversal of 4999927509 is 9057299994.

4999927509 is a `hidden beast` number, since 499 + 9 + 92 + 7 + 50 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 594286884 + 4405640625 = 24378^2 + 66375^2 .

It is not a de Polignac number, because 4999927509 - 2¹⁵ = 4999894741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999925509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17734 + ... + 101559.

Almost surely, 2^4999927509 is an apocalyptic number.

It is an amenable number.

4999927509 is a deficient number, since it is larger than the sum of its proper divisors (2223801367).

4999927509 is a wasteful number, since it uses less digits than its factorization.

4999927509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123956 (or 123953 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 63.

The square root of 4999927509 is about 70710.1655280201. The cubic root of 4999927509 is about 1709.9676827790.

The spelling of 4999927509 in words is "four billion, nine hundred ninety-nine million, nine hundred twenty-seven thousand, five hundred nine".