1326650263 has 2 divisors, whose sum is σ = 1326650264. Its totient is φ = 1326650262.

The previous prime is 1326650249. The next prime is 1326650359. The reversal of 1326650263 is 3620566231.

It is a weak prime.

It is an emirp because it is prime and its reverse (3620566231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326650263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326650203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663325131 + 663325132.

It is an arithmetic number, because the mean of its divisors is an integer number (663325132).

Almost surely, 2^1326650263 is an apocalyptic number.

1326650263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326650263 is an equidigital number, since it uses as much as digits as its factorization.

1326650263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 1326650263 is about 36423.2104982523. The cubic root of 1326650263 is about 1098.8004176400.

The spelling of 1326650263 in words is "one billion, three hundred twenty-six million, six hundred fifty thousand, two hundred sixty-three".