2659405847 has 16 divisors (see below), whose sum is σ = 3057268032. Its totient is φ = 2266064640.

The previous prime is 2659405831. The next prime is 2659405849. The reversal of 2659405847 is 7485049562.

It is not a de Polignac number, because 2659405847 - 2⁴ = 2659405831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2659405795 and 2659405804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2659405849) 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, 1664453 + ... + 1666049.

It is an arithmetic number, because the mean of its divisors is an integer number (191079252).

Almost surely, 2^2659405847 is an apocalyptic number.

2659405847 is a deficient number, since it is larger than the sum of its proper divisors (397862185).

2659405847 is a wasteful number, since it uses less digits than its factorization.

2659405847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The square root of 2659405847 is about 51569.4274449504. The cubic root of 2659405847 is about 1385.4628118741.

The spelling of 2659405847 in words is "two billion, six hundred fifty-nine million, four hundred five thousand, eight hundred forty-seven".