2643376511 has 2 divisors, whose sum is σ = 2643376512. Its totient is φ = 2643376510.

The previous prime is 2643376507. The next prime is 2643376513. The reversal of 2643376511 is 1156733462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2643376511 - 2² = 2643376507 is a prime.

It is a Sophie Germain prime.

Together with 2643376513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2643376513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321688255 + 1321688256.

It is an arithmetic number, because the mean of its divisors is an integer number (1321688256).

Almost surely, 2^2643376511 is an apocalyptic number.

2643376511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643376511 is an equidigital number, since it uses as much as digits as its factorization.

2643376511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 2643376511 is about 51413.7774434052. Note that the first 3 decimals coincide. The cubic root of 2643376511 is about 1382.6736151833.

The spelling of 2643376511 in words is "two billion, six hundred forty-three million, three hundred seventy-six thousand, five hundred eleven".