2302021993 has 2 divisors, whose sum is σ = 2302021994. Its totient is φ = 2302021992.

The previous prime is 2302021927. The next prime is 2302022011. The reversal of 2302021993 is 3991202032.

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., 1755023449 + 546998544 = 41893^2 + 23388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2302021993 - 2⁹ = 2302021481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2302021913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151010996 + 1151010997.

It is an arithmetic number, because the mean of its divisors is an integer number (1151010997).

Almost surely, 2^2302021993 is an apocalyptic number.

It is an amenable number.

2302021993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2302021993 is an equidigital number, since it uses as much as digits as its factorization.

2302021993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2302021993 is about 47979.3913362810. The cubic root of 2302021993 is about 1320.3928263433.

The spelling of 2302021993 in words is "two billion, three hundred two million, twenty-one thousand, nine hundred ninety-three".