4009404631 has 2 divisors, whose sum is σ = 4009404632. Its totient is φ = 4009404630.

The previous prime is 4009404629. The next prime is 4009404673. The reversal of 4009404631 is 1364049004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4009404631 - 2¹ = 4009404629 is a prime.

It is a super-2 number, since 2×4009404631² = 32150650990168492322, which contains 22 as substring.

Together with 4009404629, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4009404593 and 4009404602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4009404601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2004702315 + 2004702316.

It is an arithmetic number, because the mean of its divisors is an integer number (2004702316).

Almost surely, 2^4009404631 is an apocalyptic number.

4009404631 is a deficient number, since it is larger than the sum of its proper divisors (1).

4009404631 is an equidigital number, since it uses as much as digits as its factorization.

4009404631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 4009404631 is about 63319.8596887264. The cubic root of 4009404631 is about 1588.6441549948.

The spelling of 4009404631 in words is "four billion, nine million, four hundred four thousand, six hundred thirty-one".