17745348806835 has 64 divisors (see below), whose sum is σ = 32018762861568. Its totient is φ = 8326809874944.

The previous prime is 17745348806819. The next prime is 17745348806923. The reversal of 17745348806835 is 53860884354771.

It is not a de Polignac number, because 17745348806835 - 2⁴ = 17745348806819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a self number, because there is not a number n which added to its sum of digits gives 17745348806835.

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 63 ways as a sum of consecutive naturals, for example, 5721204 + ... + 8259713.

It is an arithmetic number, because the mean of its divisors is an integer number (500293169712).

Almost surely, 2^{17745348806835} is an apocalyptic number.

17745348806835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

17745348806835 is a deficient number, since it is larger than the sum of its proper divisors (14273414054733).

17745348806835 is a wasteful number, since it uses less digits than its factorization.

17745348806835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13981244.

The product of its (nonzero) digits is 541900800, while the sum is 69.

The spelling of 17745348806835 in words is "seventeen trillion, seven hundred forty-five billion, three hundred forty-eight million, eight hundred six thousand, eight hundred thirty-five".