4419617849 has 2 divisors, whose sum is σ = 4419617850. Its totient is φ = 4419617848.

The previous prime is 4419617819. The next prime is 4419617899. The reversal of 4419617849 is 9487169144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4418925625 + 692224 = 66475^2 + 832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4419617849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4419617849.

It is not a weakly prime, because it can be changed into another prime (4419617819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2209808924 + 2209808925.

It is an arithmetic number, because the mean of its divisors is an integer number (2209808925).

Almost surely, 2^4419617849 is an apocalyptic number.

It is an amenable number.

4419617849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4419617849 is an equidigital number, since it uses as much as digits as its factorization.

4419617849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 53.

The square root of 4419617849 is about 66480.2064452270. The cubic root of 4419617849 is about 1641.0742823807.

The spelling of 4419617849 in words is "four billion, four hundred nineteen million, six hundred seventeen thousand, eight hundred forty-nine".