4373990813 has 2 divisors, whose sum is σ = 4373990814. Its totient is φ = 4373990812.

The previous prime is 4373990791. The next prime is 4373990827. The reversal of 4373990813 is 3180993734.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4119970969 + 254019844 = 64187^2 + 15938^2 .

It is a cyclic number.

It is not a de Polignac number, because 4373990813 - 2⁶ = 4373990749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4373998813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2186995406 + 2186995407.

It is an arithmetic number, because the mean of its divisors is an integer number (2186995407).

Almost surely, 2^4373990813 is an apocalyptic number.

It is an amenable number.

4373990813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4373990813 is an equidigital number, since it uses as much as digits as its factorization.

4373990813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 4373990813 is about 66136.1535999789. The cubic root of 4373990813 is about 1635.4073885627.

The spelling of 4373990813 in words is "four billion, three hundred seventy-three million, nine hundred ninety thousand, eight hundred thirteen".