2805836419725 has 24 divisors (see below), whose sum is σ = 4639223909952. Its totient is φ = 1496368339200.

The previous prime is 2805836419721. The next prime is 2805836419751. The reversal of 2805836419725 is 5279146385082.

It is not a de Polignac number, because 2805836419725 - 2² = 2805836419721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805836419721) 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 23 ways as a sum of consecutive naturals, for example, 495904 + ... + 2420246.

It is an arithmetic number, because the mean of its divisors is an integer number (193300996248).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2805836419725 = 5611672839450, but 3⋅2805836419725 = 8417509259175 is not.

Almost surely, 2^{2805836419725} is an apocalyptic number.

2805836419725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2805836419725 is a deficient number, since it is larger than the sum of its proper divisors (1833387490227).

2805836419725 is a wasteful number, since it uses less digits than its factorization.

2805836419725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943797 (or 1943792 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 2805836419725 in words is "two trillion, eight hundred five billion, eight hundred thirty-six million, four hundred nineteen thousand, seven hundred twenty-five".