3619220768 has 24 divisors (see below), whose sum is σ = 7242153660. Its totient is φ = 1779943680.

The previous prime is 3619220753. The next prime is 3619220777. The reversal of 3619220768 is 8670229163.

It can be written as a sum of positive squares in 2 ways, for example, as 3365392144 + 253828624 = 58012^2 + 15932^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 925103 + ... + 929006.

Almost surely, 2^3619220768 is an apocalyptic number.

It is an amenable number.

3619220768 is an abundant number, since it is smaller than the sum of its proper divisors (3622932892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3619220768 is a wasteful number, since it uses less digits than its factorization.

3619220768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854180 (or 1854172 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 3619220768 is about 60159.9598404121. The cubic root of 3619220768 is about 1535.3416277468.

The spelling of 3619220768 in words is "three billion, six hundred nineteen million, two hundred twenty thousand, seven hundred sixty-eight".