1689896325577 has 4 divisors (see below), whose sum is σ = 1718538636240. Its totient is φ = 1661254014916.

The previous prime is 1689896325563. The next prime is 1689896325583. The reversal of 1689896325577 is 7755236989861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1689896325577 - 2³¹ = 1687748841929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1689896325527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14321155243 + ... + 14321155360.

It is an arithmetic number, because the mean of its divisors is an integer number (429634659060).

Almost surely, 2^{1689896325577} is an apocalyptic number.

It is an amenable number.

1689896325577 is a deficient number, since it is larger than the sum of its proper divisors (28642310663).

1689896325577 is an equidigital number, since it uses as much as digits as its factorization.

1689896325577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28642310662.

The product of its digits is 1371686400, while the sum is 76.

The spelling of 1689896325577 in words is "one trillion, six hundred eighty-nine billion, eight hundred ninety-six million, three hundred twenty-five thousand, five hundred seventy-seven".