4183693649 has 2 divisors, whose sum is σ = 4183693650. Its totient is φ = 4183693648.

The previous prime is 4183693621. The next prime is 4183693741. The reversal of 4183693649 is 9463963814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3624040000 + 559653649 = 60200^2 + 23657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4183693649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4183693649.

It is not a weakly prime, because it can be changed into another prime (4183693849) 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, 2091846824 + 2091846825.

It is an arithmetic number, because the mean of its divisors is an integer number (2091846825).

Almost surely, 2^4183693649 is an apocalyptic number.

It is an amenable number.

4183693649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4183693649 is an equidigital number, since it uses as much as digits as its factorization.

4183693649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 53.

The square root of 4183693649 is about 64681.4784076555. The cubic root of 4183693649 is about 1611.3379114580.

The spelling of 4183693649 in words is "four billion, one hundred eighty-three million, six hundred ninety-three thousand, six hundred forty-nine".