11683896643 has 2 divisors, whose sum is σ = 11683896644. Its totient is φ = 11683896642.

The previous prime is 11683896617. The next prime is 11683896647. The reversal of 11683896643 is 34669838611.

It is a strong prime.

It is an emirp because it is prime and its reverse (34669838611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11683896643 - 2⁹ = 11683896131 is a prime.

It is not a weakly prime, because it can be changed into another prime (11683896647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5841948321 + 5841948322.

It is an arithmetic number, because the mean of its divisors is an integer number (5841948322).

Almost surely, 2^11683896643 is an apocalyptic number.

11683896643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11683896643 is an equidigital number, since it uses as much as digits as its factorization.

11683896643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 55.

The spelling of 11683896643 in words is "eleven billion, six hundred eighty-three million, eight hundred ninety-six thousand, six hundred forty-three".