2785982453 has 4 divisors (see below), whose sum is σ = 2786094240. Its totient is φ = 2785870668.

The previous prime is 2785982449. The next prime is 2785982461. The reversal of 2785982453 is 3542895872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2785982453 - 2² = 2785982449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2785982395 and 2785982404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785982443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 74646.

It is an arithmetic number, because the mean of its divisors is an integer number (696523560).

Almost surely, 2^2785982453 is an apocalyptic number.

It is an amenable number.

2785982453 is a deficient number, since it is larger than the sum of its proper divisors (111787).

2785982453 is an equidigital number, since it uses as much as digits as its factorization.

2785982453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111786.

The product of its digits is 4838400, while the sum is 53.

The square root of 2785982453 is about 52782.4066616898. The cubic root of 2785982453 is about 1407.1037666356.

The spelling of 2785982453 in words is "two billion, seven hundred eighty-five million, nine hundred eighty-two thousand, four hundred fifty-three".