2578033863049 has 4 divisors (see below), whose sum is σ = 2661196245760. Its totient is φ = 2494871480340.

The previous prime is 2578033863019. The next prime is 2578033863061. The reversal of 2578033863049 is 9403683308752.

2578033863049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 2578033863049 - 2¹¹ = 2578033861001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2578033862984 and 2578033863002.

It is not an unprimeable number, because it can be changed into a prime (2578033863019) 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, 41581191309 + ... + 41581191370.

It is an arithmetic number, because the mean of its divisors is an integer number (665299061440).

Almost surely, 2^{2578033863049} is an apocalyptic number.

It is an amenable number.

2578033863049 is a deficient number, since it is larger than the sum of its proper divisors (83162382711).

2578033863049 is an equidigital number, since it uses as much as digits as its factorization.

2578033863049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83162382710.

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 2578033863049 in words is "two trillion, five hundred seventy-eight billion, thirty-three million, eight hundred sixty-three thousand, forty-nine".