4129983668 has 24 divisors (see below), whose sum is σ = 7264398792. Its totient is φ = 2054467584.

The previous prime is 4129983667. The next prime is 4129983673. The reversal of 4129983668 is 8663899214.

It is a happy number.

4129983668 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 4 ways, for example, as 726194704 + 3403788964 = 26948^2 + 58342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129983667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719546 + ... + 725262.

It is an arithmetic number, because the mean of its divisors is an integer number (302683283).

Almost surely, 2^4129983668 is an apocalyptic number.

It is an amenable number.

4129983668 is a deficient number, since it is larger than the sum of its proper divisors (3134415124).

4129983668 is a wasteful number, since it uses less digits than its factorization.

4129983668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611 (or 6609 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The square root of 4129983668 is about 64264.9489846526. The cubic root of 4129983668 is about 1604.4127752166.

The spelling of 4129983668 in words is "four billion, one hundred twenty-nine million, nine hundred eighty-three thousand, six hundred sixty-eight".