4009404671 has 4 divisors (see below), whose sum is σ = 4010433744. Its totient is φ = 4008375600.

The previous prime is 4009404631. The next prime is 4009404673. The reversal of 4009404671 is 1764049004.

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

It is a cyclic number.

It is not a de Polignac number, because 4009404671 - 2¹⁴ = 4009388287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4009404673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508670 + ... + 516491.

It is an arithmetic number, because the mean of its divisors is an integer number (1002608436).

Almost surely, 2^4009404671 is an apocalyptic number.

4009404671 is a deficient number, since it is larger than the sum of its proper divisors (1029073).

4009404671 is a wasteful number, since it uses less digits than its factorization.

4009404671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029072.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 4009404671 is about 63319.8600045831. The cubic root of 4009404671 is about 1588.6441602778.

The spelling of 4009404671 in words is "four billion, nine million, four hundred four thousand, six hundred seventy-one".