2605886481 has 8 divisors (see below), whose sum is σ = 3790380384. Its totient is φ = 1579325120.

The previous prime is 2605886477. The next prime is 2605886483. The reversal of 2605886481 is 1846885062.

It is a happy number.

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 2605886481 - 2² = 2605886477 is a prime.

It is a super-2 number, since 2×2605886481² = 13581288703717126722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2605886481.

It is not an unprimeable number, because it can be changed into a prime (2605886483) 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, 39483096 + ... + 39483161.

It is an arithmetic number, because the mean of its divisors is an integer number (473797548).

Almost surely, 2^2605886481 is an apocalyptic number.

It is an amenable number.

2605886481 is a deficient number, since it is larger than the sum of its proper divisors (1184493903).

2605886481 is a wasteful number, since it uses less digits than its factorization.

2605886481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78966271.

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 2605886481 is about 51047.8841970948. The cubic root of 2605886481 is about 1376.1058178224.

The spelling of 2605886481 in words is "two billion, six hundred five million, eight hundred eighty-six thousand, four hundred eighty-one".