5083979909 has 4 divisors (see below), whose sum is σ = 5170149120. Its totient is φ = 4997810700.

The previous prime is 5083979893. The next prime is 5083979959. The reversal of 5083979909 is 9099793805.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9099793805 = 5 ⋅1819958761.

It is a cyclic number.

It is not a de Polignac number, because 5083979909 - 2⁴ = 5083979893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59), and also a Moran number because the ratio is a prime number: 86169151 = 5083979909 / (5 + 0 + 8 + 3 + 9 + 7 + 9 + 9 + 0 + 9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5083979959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43084517 + ... + 43084634.

It is an arithmetic number, because the mean of its divisors is an integer number (1292537280).

Almost surely, 2^5083979909 is an apocalyptic number.

5083979909 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5083979909 is a deficient number, since it is larger than the sum of its proper divisors (86169211).

5083979909 is an equidigital number, since it uses as much as digits as its factorization.

5083979909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86169210.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The square root of 5083979909 is about 71302.0329934568. The cubic root of 5083979909 is about 1719.4964170468.

The spelling of 5083979909 in words is "five billion, eighty-three million, nine hundred seventy-nine thousand, nine hundred nine".