689091110 has 16 divisors (see below), whose sum is σ = 1249290000. Its totient is φ = 273652896.

The previous prime is 689091103. The next prime is 689091121. The reversal of 689091110 is 11190986.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246485 + ... + 249264.

It is an arithmetic number, because the mean of its divisors is an integer number (78080625).

Almost surely, 2^689091110 is an apocalyptic number.

689091110 is a deficient number, since it is larger than the sum of its proper divisors (560198890).

689091110 is a wasteful number, since it uses less digits than its factorization.

689091110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495895.

The product of its (nonzero) digits is 3888, while the sum is 35.

The square root of 689091110 is about 26250.5449467244. The cubic root of 689091110 is about 883.2674286497.

The spelling of 689091110 in words is "six hundred eighty-nine million, ninety-one thousand, one hundred ten".