2509488779 has 8 divisors (see below), whose sum is σ = 3036692448. Its totient is φ = 2024461440.

The previous prime is 2509488757. The next prime is 2509488791. The reversal of 2509488779 is 9778849052.

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

It is a cyclic number.

It is not a de Polignac number, because 2509488779 - 2¹⁶ = 2509423243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2509488739) 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, 10543952 + ... + 10544189.

It is an arithmetic number, because the mean of its divisors is an integer number (379586556).

Almost surely, 2^2509488779 is an apocalyptic number.

2509488779 is a deficient number, since it is larger than the sum of its proper divisors (527203669).

2509488779 is a wasteful number, since it uses less digits than its factorization.

2509488779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088165.

The product of its (nonzero) digits is 10160640, while the sum is 59.

The square root of 2509488779 is about 50094.7979235369. The cubic root of 2509488779 is about 1358.9237410335.

The spelling of 2509488779 in words is "two billion, five hundred nine million, four hundred eighty-eight thousand, seven hundred seventy-nine".