14817809845 has 8 divisors (see below), whose sum is σ = 17803356120. Its totient is φ = 11839591680.

The previous prime is 14817809791. The next prime is 14817809863. The reversal of 14817809845 is 54890871841.

It can be written as a sum of positive squares in 4 ways, for example, as 8045013636 + 6772796209 = 89694^2 + 82297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14817809845 - 2¹³ = 14817801653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827576 + ... + 1835665.

It is an arithmetic number, because the mean of its divisors is an integer number (2225419515).

Almost surely, 2^14817809845 is an apocalyptic number.

It is an amenable number.

14817809845 is a deficient number, since it is larger than the sum of its proper divisors (2985546275).

14817809845 is an equidigital number, since it uses as much as digits as its factorization.

14817809845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664055.

The product of its (nonzero) digits is 2580480, while the sum is 55.

The spelling of 14817809845 in words is "fourteen billion, eight hundred seventeen million, eight hundred nine thousand, eight hundred forty-five".