2578382049 has 8 divisors (see below), whose sum is σ = 3438077760. Its totient is φ = 1718803856.

The previous prime is 2578382021. The next prime is 2578382057. The reversal of 2578382049 is 9402838752.

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 2578382049 - 2⁵ = 2578382017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2578381989 and 2578382007.

It is not an unprimeable number, because it can be changed into a prime (2578382249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66799 + ... + 98075.

It is an arithmetic number, because the mean of its divisors is an integer number (429759720).

Almost surely, 2^2578382049 is an apocalyptic number.

It is an amenable number.

2578382049 is a deficient number, since it is larger than the sum of its proper divisors (859695711).

2578382049 is a wasteful number, since it uses less digits than its factorization.

2578382049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58759.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 2578382049 is about 50777.7712094574. The cubic root of 2578382049 is about 1371.2472079566.

The spelling of 2578382049 in words is "two billion, five hundred seventy-eight million, three hundred eighty-two thousand, forty-nine".