4999640109 has 8 divisors (see below), whose sum is σ = 7058315520. Its totient is φ = 3137029056.

The previous prime is 4999640099. The next prime is 4999640137. The reversal of 4999640109 is 9010469994.

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

It is not a de Polignac number, because 4999640109 - 2¹² = 4999636013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 98032159 = 4999640109 / (4 + 9 + 9 + 9 + 6 + 4 + 0 + 1 + 0 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999640179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49016029 + ... + 49016130.

It is an arithmetic number, because the mean of its divisors is an integer number (882289440).

Almost surely, 2^4999640109 is an apocalyptic number.

It is an amenable number.

4999640109 is a deficient number, since it is larger than the sum of its proper divisors (2058675411).

4999640109 is a wasteful number, since it uses less digits than its factorization.

4999640109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98032179.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 4999640109 is about 70708.1332591944. The cubic root of 4999640109 is about 1709.9349186954.

The spelling of 4999640109 in words is "four billion, nine hundred ninety-nine million, six hundred forty thousand, one hundred nine".