3998795529 has 16 divisors (see below), whose sum is σ = 5517227520. Its totient is φ = 2573168640.

The previous prime is 3998795519. The next prime is 3998795561. The reversal of 3998795529 is 9255978993.

3998795529 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3998795529 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3998795529.

It is not an unprimeable number, because it can be changed into a prime (3998795519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499849 + ... + 507785.

It is an arithmetic number, because the mean of its divisors is an integer number (344826720).

Almost surely, 2^3998795529 is an apocalyptic number.

It is an amenable number.

3998795529 is a deficient number, since it is larger than the sum of its proper divisors (1518431991).

3998795529 is a wasteful number, since it uses less digits than its factorization.

3998795529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13760.

The product of its digits is 55112400, while the sum is 66.

The square root of 3998795529 is about 63236.0303070963. The cubic root of 3998795529 is about 1587.2417044286.

The spelling of 3998795529 in words is "three billion, nine hundred ninety-eight million, seven hundred ninety-five thousand, five hundred twenty-nine".