1689123695347 has 8 divisors (see below), whose sum is σ = 1842778123200. Its totient is φ = 1535485555560.

The previous prime is 1689123695323. The next prime is 1689123695353. The reversal of 1689123695347 is 7435963219861.

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

It is not a de Polignac number, because 1689123695347 - 2¹⁹ = 1689123171059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1689123693347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3854673 + ... + 4270450.

It is an arithmetic number, because the mean of its divisors is an integer number (230347265400).

Almost surely, 2^{1689123695347} is an apocalyptic number.

1689123695347 is a deficient number, since it is larger than the sum of its proper divisors (153654427853).

1689123695347 is a wasteful number, since it uses less digits than its factorization.

1689123695347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8144033.

The product of its digits is 58786560, while the sum is 64.

The spelling of 1689123695347 in words is "one trillion, six hundred eighty-nine billion, one hundred twenty-three million, six hundred ninety-five thousand, three hundred forty-seven".