3999100073 has 2 divisors, whose sum is σ = 3999100074. Its totient is φ = 3999100072.

The previous prime is 3999100003. The next prime is 3999100109. The reversal of 3999100073 is 3700019993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3486666304 + 512433769 = 59048^2 + 22637^2 .

It is a cyclic number.

It is not a de Polignac number, because 3999100073 - 2¹² = 3999095977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3999100073.

It is not a weakly prime, because it can be changed into another prime (3999100003) 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, 1999550036 + 1999550037.

It is an arithmetic number, because the mean of its divisors is an integer number (1999550037).

Almost surely, 2^3999100073 is an apocalyptic number.

It is an amenable number.

3999100073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3999100073 is an equidigital number, since it uses as much as digits as its factorization.

3999100073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 41.

The square root of 3999100073 is about 63238.4382555420. The cubic root of 3999100073 is about 1587.2819976172.

The spelling of 3999100073 in words is "three billion, nine hundred ninety-nine million, one hundred thousand, seventy-three".