2494278819 has 32 divisors (see below), whose sum is σ = 3781175040. Its totient is φ = 1624608576.

The previous prime is 2494278793. The next prime is 2494278847. The reversal of 2494278819 is 9188724942.

2494278819 is a `hidden beast` number, since 2 + 494 + 2 + 78 + 81 + 9 = 666.

2494278819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2494278819 is a prime.

It is a super-2 number, since 2×2494278819² = 12442853653824069522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2494278869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204984 + ... + 216810.

It is an arithmetic number, because the mean of its divisors is an integer number (118161720).

Almost surely, 2^2494278819 is an apocalyptic number.

2494278819 is a deficient number, since it is larger than the sum of its proper divisors (1286896221).

2494278819 is a wasteful number, since it uses less digits than its factorization.

2494278819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12016 (or 12010 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 2494278819 is about 49942.7554205813. The cubic root of 2494278819 is about 1356.1727058982.

The spelling of 2494278819 in words is "two billion, four hundred ninety-four million, two hundred seventy-eight thousand, eight hundred nineteen".