2443963253 has 2 divisors, whose sum is σ = 2443963254. Its totient is φ = 2443963252.

The previous prime is 2443963243. The next prime is 2443963261. The reversal of 2443963253 is 3523693442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1926946609 + 517016644 = 43897^2 + 22738^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443963253 - 2²² = 2439768949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2443963253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2443963243) 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, 1221981626 + 1221981627.

It is an arithmetic number, because the mean of its divisors is an integer number (1221981627).

Almost surely, 2^2443963253 is an apocalyptic number.

It is an amenable number.

2443963253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2443963253 is an equidigital number, since it uses as much as digits as its factorization.

2443963253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 41.

The square root of 2443963253 is about 49436.4567197124. The cubic root of 2443963253 is about 1346.9916097042.

The spelling of 2443963253 in words is "two billion, four hundred forty-three million, nine hundred sixty-three thousand, two hundred fifty-three".