17385380106427 has 4 divisors (see below), whose sum is σ = 17605448209120. Its totient is φ = 17165312003736.

The previous prime is 17385380106359. The next prime is 17385380106461. The reversal of 17385380106427 is 72460108358371.

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

It is a cyclic number.

It is not a de Polignac number, because 17385380106427 - 2⁴³ = 8589287084219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17385380116427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110034051228 + ... + 110034051385.

It is an arithmetic number, because the mean of its divisors is an integer number (4401362052280).

Almost surely, 2^{17385380106427} is an apocalyptic number.

17385380106427 is a deficient number, since it is larger than the sum of its proper divisors (220068102693).

17385380106427 is an equidigital number, since it uses as much as digits as its factorization.

17385380106427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220068102692.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 17385380106427 in words is "seventeen trillion, three hundred eighty-five billion, three hundred eighty million, one hundred six thousand, four hundred twenty-seven".