9956364443 has 2 divisors, whose sum is σ = 9956364444. Its totient is φ = 9956364442.

The previous prime is 9956364433. The next prime is 9956364461. The reversal of 9956364443 is 3444636599.

It is a weak prime.

It is an emirp because it is prime and its reverse (3444636599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9956364443 - 2¹² = 9956360347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9956364413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4978182221 + 4978182222.

It is an arithmetic number, because the mean of its divisors is an integer number (4978182222).

Almost surely, 2^9956364443 is an apocalyptic number.

9956364443 is a deficient number, since it is larger than the sum of its proper divisors (1).

9956364443 is an equidigital number, since it uses as much as digits as its factorization.

9956364443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8398080, while the sum is 53.

The square root of 9956364443 is about 99781.5836865701. The cubic root of 9956364443 is about 2151.2964557186.

The spelling of 9956364443 in words is "nine billion, nine hundred fifty-six million, three hundred sixty-four thousand, four hundred forty-three".