2030443993 has 2 divisors, whose sum is σ = 2030443994. Its totient is φ = 2030443992.

The previous prime is 2030443991. The next prime is 2030444033. The reversal of 2030443993 is 3993440302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1876882329 + 153561664 = 43323^2 + 12392^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030443993 - 2¹ = 2030443991 is a prime.

Together with 2030443991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2030443991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015221996 + 1015221997.

It is an arithmetic number, because the mean of its divisors is an integer number (1015221997).

Almost surely, 2^2030443993 is an apocalyptic number.

It is an amenable number.

2030443993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030443993 is an equidigital number, since it uses as much as digits as its factorization.

2030443993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 2030443993 is about 45060.4482112639. The cubic root of 2030443993 is about 1266.2817221379.

The spelling of 2030443993 in words is "two billion, thirty million, four hundred forty-three thousand, nine hundred ninety-three".