2085186403 has 4 divisors (see below), whose sum is σ = 2088267120. Its totient is φ = 2082105688.

The previous prime is 2085186379. The next prime is 2085186413. The reversal of 2085186403 is 3046815802.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2085186403 - 2¹⁷ = 2085055331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085186413) 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 3 ways as a sum of consecutive naturals, for example, 1539343 + ... + 1540696.

It is an arithmetic number, because the mean of its divisors is an integer number (522066780).

Almost surely, 2^2085186403 is an apocalyptic number.

2085186403 is a deficient number, since it is larger than the sum of its proper divisors (3080717).

2085186403 is an equidigital number, since it uses as much as digits as its factorization.

2085186403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080716.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2085186403 is about 45663.8413079758. The cubic root of 2085186403 is about 1277.5609483753.

The spelling of 2085186403 in words is "two billion, eighty-five million, one hundred eighty-six thousand, four hundred three".