2489179285 has 8 divisors (see below), whose sum is σ = 2988457560. Its totient is φ = 1990381824.

The previous prime is 2489179283. The next prime is 2489179289. The reversal of 2489179285 is 5829719842.

It can be written as a sum of positive squares in 4 ways, for example, as 1538443729 + 950735556 = 39223^2 + 30834^2 .

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 2489179285 - 2¹ = 2489179283 is a prime.

It is a super-2 number, since 2×2489179285² = 12392027025746222450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489179283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108712 + ... + 129601.

It is an arithmetic number, because the mean of its divisors is an integer number (373557195).

Almost surely, 2^2489179285 is an apocalyptic number.

It is an amenable number.

2489179285 is a deficient number, since it is larger than the sum of its proper divisors (499278275).

2489179285 is a wasteful number, since it uses less digits than its factorization.

2489179285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240407.

The product of its digits is 2903040, while the sum is 55.

The square root of 2489179285 is about 49891.6755080444. The cubic root of 2489179285 is about 1355.2478470753.

The spelling of 2489179285 in words is "two billion, four hundred eighty-nine million, one hundred seventy-nine thousand, two hundred eighty-five".