2081299524 has 24 divisors (see below), whose sum is σ = 4928850528. Its totient is φ = 683411520.

The previous prime is 2081299489. The next prime is 2081299529. The reversal of 2081299524 is 4259921802.

It is a happy number.

It is a super-3 number, since 3×2081299524³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2081299529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293537 + ... + 1295144.

It is an arithmetic number, because the mean of its divisors is an integer number (205368772).

Almost surely, 2^2081299524 is an apocalyptic number.

It is an amenable number.

2081299524 is an abundant number, since it is smaller than the sum of its proper divisors (2847551004).

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

2081299524 is a wasteful number, since it uses less digits than its factorization.

2081299524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588755 (or 2588753 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 2081299524 is about 45621.2617537043. The cubic root of 2081299524 is about 1276.7666447331.

The spelling of 2081299524 in words is "two billion, eighty-one million, two hundred ninety-nine thousand, five hundred twenty-four".