4090943647 has 8 divisors (see below), whose sum is σ = 4675881600. Its totient is φ = 3506135064.

The previous prime is 4090943639. The next prime is 4090943657. The reversal of 4090943647 is 7463490904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4090943647 - 2³ = 4090943639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4090943597 and 4090943606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090943657) 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, 49104 + ... + 102922.

It is an arithmetic number, because the mean of its divisors is an integer number (584485200).

Almost surely, 2^4090943647 is an apocalyptic number.

4090943647 is a deficient number, since it is larger than the sum of its proper divisors (584937953).

4090943647 is a wasteful number, since it uses less digits than its factorization.

4090943647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64685.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 4090943647 is about 63960.4850435017. The cubic root of 4090943647 is about 1599.3413496026.

The spelling of 4090943647 in words is "four billion, ninety million, nine hundred forty-three thousand, six hundred forty-seven".