5049209789 has 6 divisors (see below), whose sum is σ = 5467487706. Its totient is φ = 4660808880.

The previous prime is 5049209783. The next prime is 5049209813. The reversal of 5049209789 is 9879029405.

It can be written as a sum of positive squares in 3 ways, for example, as 76562500 + 4972647289 = 8750^2 + 70517^2 .

It is not a de Polignac number, because 5049209789 - 2²⁸ = 4780774333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5049209789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5049209783) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14938322 + ... + 14938659.

It is an arithmetic number, because the mean of its divisors is an integer number (911247951).

Almost surely, 2^5049209789 is an apocalyptic number.

It is an amenable number.

5049209789 is a deficient number, since it is larger than the sum of its proper divisors (418277917).

5049209789 is a wasteful number, since it uses less digits than its factorization.

5049209789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29877007 (or 29876994 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 5049209789 is about 71057.7918950484. The cubic root of 5049209789 is about 1715.5674797583.

The spelling of 5049209789 in words is "five billion, forty-nine million, two hundred nine thousand, seven hundred eighty-nine".