4001942929 has 4 divisors (see below), whose sum is σ = 4006214884. Its totient is φ = 3997670976.

The previous prime is 4001942869. The next prime is 4001942941. The reversal of 4001942929 is 9292491004.

4001942929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 743816529 + 3258126400 = 27273^2 + 57080^2 .

It is a cyclic number.

It is not a de Polignac number, because 4001942929 - 2¹¹ = 4001940881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4001942891 and 4001942900.

It is not an unprimeable number, because it can be changed into a prime (4001942999) 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, 2134572 + ... + 2136445.

It is an arithmetic number, because the mean of its divisors is an integer number (1001553721).

Almost surely, 2^4001942929 is an apocalyptic number.

It is an amenable number.

4001942929 is a deficient number, since it is larger than the sum of its proper divisors (4271955).

4001942929 is an equidigital number, since it uses as much as digits as its factorization.

4001942929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271954.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 4001942929 is about 63260.9115410140. The cubic root of 4001942929 is about 1587.6580276604.

The spelling of 4001942929 in words is "four billion, one million, nine hundred forty-two thousand, nine hundred twenty-nine".