100030009993 has 2 divisors, whose sum is σ = 100030009994. Its totient is φ = 100030009992.

The previous prime is 100030009979. The next prime is 100030010021. The reversal of 100030009993 is 399900030001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61111795264 + 38918214729 = 247208^2 + 197277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100030009993 is a prime.

It is not a weakly prime, because it can be changed into another prime (100030009913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50015004996 + 50015004997.

It is an arithmetic number, because the mean of its divisors is an integer number (50015004997).

Almost surely, 2^100030009993 is an apocalyptic number.

It is an amenable number.

100030009993 is a deficient number, since it is larger than the sum of its proper divisors (1).

100030009993 is an equidigital number, since it uses as much as digits as its factorization.

100030009993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 34.

Adding to 100030009993 its reverse (399900030001), we get a palindrome (499930039994).

The spelling of 100030009993 in words is "one hundred billion, thirty million, nine thousand, nine hundred ninety-three".