3245847815 has 16 divisors (see below), whose sum is σ = 4472555520. Its totient is φ = 2215170720.

The previous prime is 3245847811. The next prime is 3245847817. The reversal of 3245847815 is 5187485423.

It is not a de Polignac number, because 3245847815 - 2² = 3245847811 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3245847815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245847811) 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 15 ways as a sum of consecutive naturals, for example, 212375 + ... + 227144.

It is an arithmetic number, because the mean of its divisors is an integer number (279534720).

Almost surely, 2^3245847815 is an apocalyptic number.

3245847815 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3245847815 is a deficient number, since it is larger than the sum of its proper divisors (1226707705).

3245847815 is a wasteful number, since it uses less digits than its factorization.

3245847815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439742.

The product of its digits is 1075200, while the sum is 47.

The square root of 3245847815 is about 56972.3425444312. The cubic root of 3245847815 is about 1480.6169534881.

The spelling of 3245847815 in words is "three billion, two hundred forty-five million, eight hundred forty-seven thousand, eight hundred fifteen".