689054069 has 8 divisors (see below), whose sum is σ = 753138912. Its totient is φ = 625209840.

The previous prime is 689054053. The next prime is 689054101. The reversal of 689054069 is 960450986.

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

It is a cyclic number.

It is not a de Polignac number, because 689054069 - 2⁴ = 689054053 is a prime.

It is a super-4 number, since 4×689054069⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689054269) 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, 54134 + ... + 65639.

It is an arithmetic number, because the mean of its divisors is an integer number (94142364).

Almost surely, 2^689054069 is an apocalyptic number.

It is an amenable number.

689054069 is a deficient number, since it is larger than the sum of its proper divisors (64084843).

689054069 is a wasteful number, since it uses less digits than its factorization.

689054069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120307.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 689054069 is about 26249.8394090326. The cubic root of 689054069 is about 883.2516021528.

The spelling of 689054069 in words is "six hundred eighty-nine million, fifty-four thousand, sixty-nine".