1689133054 has 16 divisors (see below), whose sum is σ = 2903731200. Its totient is φ = 721895544.

The previous prime is 1689133031. The next prime is 1689133081. The reversal of 1689133054 is 4503319861.

It is a junction number, because it is equal to n+sod(n) for n = 1689132998 and 1689133016.

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, 163014 + ... + 173065.

It is an arithmetic number, because the mean of its divisors is an integer number (181483200).

Almost surely, 2^1689133054 is an apocalyptic number.

1689133054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1689133054 is a deficient number, since it is larger than the sum of its proper divisors (1214598146).

1689133054 is a wasteful number, since it uses less digits than its factorization.

1689133054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336447.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1689133054 is about 41099.0639066147. The cubic root of 1689133054 is about 1190.9347113262.

The spelling of 1689133054 in words is "one billion, six hundred eighty-nine million, one hundred thirty-three thousand, fifty-four".