2646347513 has 2 divisors, whose sum is σ = 2646347514. Its totient is φ = 2646347512.

The previous prime is 2646347507. The next prime is 2646347603. The reversal of 2646347513 is 3157436462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1995230224 + 651117289 = 44668^2 + 25517^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646347513 - 2¹² = 2646343417 is a prime.

It is a super-2 number, since 2×2646347513² = 14006310319122570338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2646341513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323173756 + 1323173757.

It is an arithmetic number, because the mean of its divisors is an integer number (1323173757).

Almost surely, 2^2646347513 is an apocalyptic number.

It is an amenable number.

2646347513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646347513 is an equidigital number, since it uses as much as digits as its factorization.

2646347513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

The square root of 2646347513 is about 51442.6623825012. The cubic root of 2646347513 is about 1383.1914362347.

The spelling of 2646347513 in words is "two billion, six hundred forty-six million, three hundred forty-seven thousand, five hundred thirteen".