2605529982 has 16 divisors (see below), whose sum is σ = 5684792832. Its totient is φ = 789554520.

The previous prime is 2605529977. The next prime is 2605529987. The reversal of 2605529982 is 2899255062.

It is an interprime number because it is at equal distance from previous prime (2605529977) and next prime (2605529987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605529987) 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, 19738798 + ... + 19738929.

It is an arithmetic number, because the mean of its divisors is an integer number (355299552).

Almost surely, 2^2605529982 is an apocalyptic number.

2605529982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2605529982 is an abundant number, since it is smaller than the sum of its proper divisors (3079262850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2605529982 is a wasteful number, since it uses less digits than its factorization.

2605529982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39477743.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 2605529982 is about 51044.3922679074. The cubic root of 2605529982 is about 1376.0430621185.

The spelling of 2605529982 in words is "two billion, six hundred five million, five hundred twenty-nine thousand, nine hundred eighty-two".