2405439853 has 16 divisors (see below), whose sum is σ = 2480184000. Its totient is φ = 2332012032.

The previous prime is 2405439847. The next prime is 2405439857. The reversal of 2405439853 is 3589345042.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2405439853 is a prime.

It is a super-2 number, since 2×2405439853² = 11572281772801323218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405439857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2168463 + ... + 2169571.

It is an arithmetic number, because the mean of its divisors is an integer number (155011500).

Almost surely, 2^2405439853 is an apocalyptic number.

It is an amenable number.

2405439853 is a deficient number, since it is larger than the sum of its proper divisors (74744147).

2405439853 is a wasteful number, since it uses less digits than its factorization.

2405439853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 2405439853 is about 49045.2836978236. The cubic root of 2405439853 is about 1339.8766970898.

The spelling of 2405439853 in words is "two billion, four hundred five million, four hundred thirty-nine thousand, eight hundred fifty-three".