4239691028 has 12 divisors (see below), whose sum is σ = 7619985492. Its totient is φ = 2062552320.

The previous prime is 4239691021. The next prime is 4239691033. The reversal of 4239691028 is 8201969324.

4239691028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2720874244 + 1518816784 = 52162^2 + 38972^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4239691028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239691021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14323133 + ... + 14323428.

It is an arithmetic number, because the mean of its divisors is an integer number (634998791).

Almost surely, 2^4239691028 is an apocalyptic number.

It is an amenable number.

4239691028 is a deficient number, since it is larger than the sum of its proper divisors (3380294464).

4239691028 is a wasteful number, since it uses less digits than its factorization.

4239691028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646602 (or 28646600 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 4239691028 is about 65112.9098412903. The cubic root of 4239691028 is about 1618.4951513489.

The spelling of 4239691028 in words is "four billion, two hundred thirty-nine million, six hundred ninety-one thousand, twenty-eight".