2978827513 has 2 divisors, whose sum is σ = 2978827514. Its totient is φ = 2978827512.

The previous prime is 2978827477. The next prime is 2978827531. The reversal of 2978827513 is 3157288792.

Together with next prime (2978827531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2610494649 + 368332864 = 51093^2 + 19192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2978827513 - 2⁹ = 2978827001 is a prime.

It is not a weakly prime, because it can be changed into another prime (2978827583) 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, 1489413756 + 1489413757.

It is an arithmetic number, because the mean of its divisors is an integer number (1489413757).

Almost surely, 2^2978827513 is an apocalyptic number.

It is an amenable number.

2978827513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978827513 is an equidigital number, since it uses as much as digits as its factorization.

2978827513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 52.

The square root of 2978827513 is about 54578.6360492821. The cubic root of 2978827513 is about 1438.8486670644.

The spelling of 2978827513 in words is "two billion, nine hundred seventy-eight million, eight hundred twenty-seven thousand, five hundred thirteen".