4819639745 has 8 divisors (see below), whose sum is σ = 5785430184. Its totient is φ = 3854470144.

The previous prime is 4819639739. The next prime is 4819639753. The reversal of 4819639745 is 5479369184.

It can be written as a sum of positive squares in 4 ways, for example, as 3647193664 + 1172446081 = 60392^2 + 34241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4819639745 - 2⁶ = 4819639681 is a prime.

It is a super-3 number, since 3×4819639745³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137954 + ... + 169323.

It is an arithmetic number, because the mean of its divisors is an integer number (723178773).

Almost surely, 2^4819639745 is an apocalyptic number.

It is an amenable number.

4819639745 is a deficient number, since it is larger than the sum of its proper divisors (965790439).

4819639745 is a wasteful number, since it uses less digits than its factorization.

4819639745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310419.

The product of its digits is 6531840, while the sum is 56.

The square root of 4819639745 is about 69423.6252654671. The cubic root of 4819639745 is about 1689.1628669132.

The spelling of 4819639745 in words is "four billion, eight hundred nineteen million, six hundred thirty-nine thousand, seven hundred forty-five".