3999100003 has 2 divisors, whose sum is σ = 3999100004. Its totient is φ = 3999100002.

The previous prime is 3999099997. The next prime is 3999100073. The reversal of 3999100003 is 3000019993.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3000019993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3999100003 - 2²¹ = 3997002851 is a prime.

It is not a weakly prime, because it can be changed into another prime (3999100073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1999550001 + 1999550002.

It is an arithmetic number, because the mean of its divisors is an integer number (1999550002).

Almost surely, 2^3999100003 is an apocalyptic number.

3999100003 is a deficient number, since it is larger than the sum of its proper divisors (1).

3999100003 is an equidigital number, since it uses as much as digits as its factorization.

3999100003 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.

The square root of 3999100003 is about 63238.4377020812. The cubic root of 3999100003 is about 1587.2819883560.

Adding to 3999100003 its reverse (3000019993), we get a palindrome (6999119996).

The spelling of 3999100003 in words is "three billion, nine hundred ninety-nine million, one hundred thousand, three".