4045381633 has 2 divisors, whose sum is σ = 4045381634. Its totient is φ = 4045381632.

The previous prime is 4045381631. The next prime is 4045381661. The reversal of 4045381633 is 3361835404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3467796544 + 577585089 = 58888^2 + 24033^2 .

It is a cyclic number.

It is not a de Polignac number, because 4045381633 - 2¹ = 4045381631 is a prime.

It is a super-2 number, since 2×4045381633² = 32730225113227493378, which contains 22 as substring.

Together with 4045381631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4045381592 and 4045381601.

It is not a weakly prime, because it can be changed into another prime (4045381631) 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, 2022690816 + 2022690817.

It is an arithmetic number, because the mean of its divisors is an integer number (2022690817).

Almost surely, 2^4045381633 is an apocalyptic number.

It is an amenable number.

4045381633 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045381633 is an equidigital number, since it uses as much as digits as its factorization.

4045381633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 4045381633 is about 63603.3146384683. The cubic root of 4045381633 is about 1593.3817285953.

The spelling of 4045381633 in words is "four billion, forty-five million, three hundred eighty-one thousand, six hundred thirty-three".