2519794873 has 2 divisors, whose sum is σ = 2519794874. Its totient is φ = 2519794872.

The previous prime is 2519794867. The next prime is 2519794903. The reversal of 2519794873 is 3784979152.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2519236864 + 558009 = 50192^2 + 747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2519794873 is a prime.

It is a super-2 number, since 2×2519794873² = 12698732403994172258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2519794843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1259897436 + 1259897437.

It is an arithmetic number, because the mean of its divisors is an integer number (1259897437).

Almost surely, 2^2519794873 is an apocalyptic number.

It is an amenable number.

2519794873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2519794873 is an equidigital number, since it uses as much as digits as its factorization.

2519794873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3810240, while the sum is 55.

The square root of 2519794873 is about 50197.5584366411. The cubic root of 2519794873 is about 1360.7814988289.

The spelling of 2519794873 in words is "two billion, five hundred nineteen million, seven hundred ninety-four thousand, eight hundred seventy-three".