2881739825 has 12 divisors (see below), whose sum is σ = 3574116480. Its totient is φ = 2304902160.

The previous prime is 2881739821. The next prime is 2881739843. The reversal of 2881739825 is 5289371882.

It is a happy number.

It is not a de Polignac number, because 2881739825 - 2² = 2881739821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2881739821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149912 + ... + 168038.

It is an arithmetic number, because the mean of its divisors is an integer number (297843040).

Almost surely, 2^2881739825 is an apocalyptic number.

2881739825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2881739825 is a deficient number, since it is larger than the sum of its proper divisors (692376655).

2881739825 is a wasteful number, since it uses less digits than its factorization.

2881739825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24496 (or 24491 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 2881739825 is about 53681.8388749864. The cubic root of 2881739825 is about 1423.0437628223.

The spelling of 2881739825 in words is "two billion, eight hundred eighty-one million, seven hundred thirty-nine thousand, eight hundred twenty-five".