16245243005 has 4 divisors (see below), whose sum is σ = 19494291612. Its totient is φ = 12996194400.

The previous prime is 16245242989. The next prime is 16245243011. The reversal of 16245243005 is 50034254261.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6574290724 + 9670952281 = 81082^2 + 98341^2 .

It is not a de Polignac number, because 16245243005 - 2⁴ = 16245242989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1624524296 + ... + 1624524305.

It is an arithmetic number, because the mean of its divisors is an integer number (4873572903).

Almost surely, 2^16245243005 is an apocalyptic number.

It is an amenable number.

16245243005 is a deficient number, since it is larger than the sum of its proper divisors (3249048607).

16245243005 is an equidigital number, since it uses as much as digits as its factorization.

16245243005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249048606.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 16245243005 its reverse (50034254261), we get a palindrome (66279497266).

The spelling of 16245243005 in words is "sixteen billion, two hundred forty-five million, two hundred forty-three thousand, five".