689332493351 has 2 divisors, whose sum is σ = 689332493352. Its totient is φ = 689332493350.

The previous prime is 689332493341. The next prime is 689332493401. The reversal of 689332493351 is 153394233986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 689332493351 - 2³⁴ = 672152624167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (689332493321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344666246675 + 344666246676.

It is an arithmetic number, because the mean of its divisors is an integer number (344666246676).

Almost surely, 2^689332493351 is an apocalyptic number.

689332493351 is a deficient number, since it is larger than the sum of its proper divisors (1).

689332493351 is an equidigital number, since it uses as much as digits as its factorization.

689332493351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12597120, while the sum is 56.

The spelling of 689332493351 in words is "six hundred eighty-nine billion, three hundred thirty-two million, four hundred ninety-three thousand, three hundred fifty-one".