9993624419 has 2 divisors, whose sum is σ = 9993624420. Its totient is φ = 9993624418.

The previous prime is 9993624397. The next prime is 9993624451. The reversal of 9993624419 is 9144263999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9993624419 is a prime.

It is a super-2 number, since 2×9993624419² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9993624019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996812209 + 4996812210.

It is an arithmetic number, because the mean of its divisors is an integer number (4996812210).

Almost surely, 2^9993624419 is an apocalyptic number.

9993624419 is a deficient number, since it is larger than the sum of its proper divisors (1).

9993624419 is an equidigital number, since it uses as much as digits as its factorization.

9993624419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3779136, while the sum is 56.

The square root of 9993624419 is about 99968.1170123755. The cubic root of 9993624419 is about 2153.9767335976.

The spelling of 9993624419 in words is "nine billion, nine hundred ninety-three million, six hundred twenty-four thousand, four hundred nineteen".