169439444414 has 32 divisors (see below), whose sum is σ = 275714326656. Its totient is φ = 77790136320.

The previous prime is 169439444413. The next prime is 169439444501. The reversal of 169439444414 is 414444934961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169439444413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330794 + ... + 669554.

It is an arithmetic number, because the mean of its divisors is an integer number (8616072708).

Almost surely, 2^169439444414 is an apocalyptic number.

169439444414 is a deficient number, since it is larger than the sum of its proper divisors (106274882242).

169439444414 is a wasteful number, since it uses less digits than its factorization.

169439444414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339140.

The product of its digits is 5971968, while the sum is 53.

The spelling of 169439444414 in words is "one hundred sixty-nine billion, four hundred thirty-nine million, four hundred forty-four thousand, four hundred fourteen".