10643212633 has 2 divisors, whose sum is σ = 10643212634. Its totient is φ = 10643212632.

The previous prime is 10643212631. The next prime is 10643212637. The reversal of 10643212633 is 33621234601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6863791104 + 3779421529 = 82848^2 + 61477^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643212633 - 2¹ = 10643212631 is a prime.

It is a super-2 number, since 2×10643212633² (a number of 21 digits) contains 22 as substring.

Together with 10643212631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 10643212595 and 10643212604.

It is not a weakly prime, because it can be changed into another prime (10643212631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321606316 + 5321606317.

It is an arithmetic number, because the mean of its divisors is an integer number (5321606317).

Almost surely, 2^10643212633 is an apocalyptic number.

It is an amenable number.

10643212633 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643212633 is an equidigital number, since it uses as much as digits as its factorization.

10643212633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 10643212633 in words is "ten billion, six hundred forty-three million, two hundred twelve thousand, six hundred thirty-three".