4129983666 has 16 divisors (see below), whose sum is σ = 9177741600. Its totient is φ = 1376661204.

The previous prime is 4129983629. The next prime is 4129983667. The reversal of 4129983666 is 6663899214.

4129983666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 76481179 = 4129983666 / (4 + 1 + 2 + 9 + 9 + 8 + 3 + 6 + 6 + 6).

It is a Curzon 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, 38240536 + ... + 38240643.

It is an arithmetic number, because the mean of its divisors is an integer number (573608850).

Almost surely, 2^4129983666 is an apocalyptic number.

4129983666 is an abundant number, since it is smaller than the sum of its proper divisors (5047757934).

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

4129983666 is a wasteful number, since it uses less digits than its factorization.

4129983666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76481190 (or 76481184 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 4129983666 is about 64264.9489690920. The cubic root of 4129983666 is about 1604.4127749576.

The spelling of 4129983666 in words is "four billion, one hundred twenty-nine million, nine hundred eighty-three thousand, six hundred sixty-six".