1636084013 has 4 divisors (see below), whose sum is σ = 1642602528. Its totient is φ = 1629565500.

The previous prime is 1636084007. The next prime is 1636084057. The reversal of 1636084013 is 3104806361.

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 an emirpimes, since its reverse is a distinct semiprime: 3104806361 = 97 ⋅32008313.

It is a cyclic number.

It is not a de Polignac number, because 1636084013 - 2⁴ = 1636083997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1636080013) 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 3 ways as a sum of consecutive naturals, for example, 3258881 + ... + 3259382.

It is an arithmetic number, because the mean of its divisors is an integer number (410650632).

Almost surely, 2^1636084013 is an apocalyptic number.

It is an amenable number.

1636084013 is a deficient number, since it is larger than the sum of its proper divisors (6518515).

1636084013 is an equidigital number, since it uses as much as digits as its factorization.

1636084013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518514.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1636084013 is about 40448.5353628534. The cubic root of 1636084013 is about 1178.3343378670.

The spelling of 1636084013 in words is "one billion, six hundred thirty-six million, eighty-four thousand, thirteen".