2494484857 has 2 divisors, whose sum is σ = 2494484858. Its totient is φ = 2494484856.

The previous prime is 2494484821. The next prime is 2494484873. The reversal of 2494484857 is 7584844942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1875669481 + 618815376 = 43309^2 + 24876^2 .

It is a cyclic number.

It is not a de Polignac number, because 2494484857 - 2³¹ = 347001209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2494484798 and 2494484807.

It is not a weakly prime, because it can be changed into another prime (2494484807) 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 as a sum of consecutive naturals, namely, 1247242428 + 1247242429.

It is an arithmetic number, because the mean of its divisors is an integer number (1247242429).

Almost surely, 2^2494484857 is an apocalyptic number.

It is an amenable number.

2494484857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2494484857 is an equidigital number, since it uses as much as digits as its factorization.

2494484857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10321920, while the sum is 55.

The square root of 2494484857 is about 49944.8181196008. The cubic root of 2494484857 is about 1356.2100467408.

The spelling of 2494484857 in words is "two billion, four hundred ninety-four million, four hundred eighty-four thousand, eight hundred fifty-seven".