689097453 has 32 divisors (see below), whose sum is σ = 1058711040. Its totient is φ = 394292160.

The previous prime is 689097439. The next prime is 689097463. The reversal of 689097453 is 354790986.

689097453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 689097453 - 2⁶ = 689097389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 689097396 and 689097405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689097433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197026 + ... + 200492.

It is an arithmetic number, because the mean of its divisors is an integer number (33084720).

Almost surely, 2^689097453 is an apocalyptic number.

It is an amenable number.

689097453 is a deficient number, since it is larger than the sum of its proper divisors (369613587).

689097453 is a wasteful number, since it uses less digits than its factorization.

689097453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 689097453 is about 26250.6657629859. The cubic root of 689097453 is about 883.2701387646.

The spelling of 689097453 in words is "six hundred eighty-nine million, ninety-seven thousand, four hundred fifty-three".