1689254516 has 12 divisors (see below), whose sum is σ = 2975773920. Its totient is φ = 839033400.

The previous prime is 1689254513. The next prime is 1689254533. The reversal of 1689254516 is 6154529861.

It is a super-3 number, since 3×1689254516³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689254513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397786 + ... + 1398993.

It is an arithmetic number, because the mean of its divisors is an integer number (247981160).

Almost surely, 2^1689254516 is an apocalyptic number.

It is an amenable number.

1689254516 is a deficient number, since it is larger than the sum of its proper divisors (1286519404).

1689254516 is a wasteful number, since it uses less digits than its factorization.

1689254516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796934 (or 2796932 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The square root of 1689254516 is about 41100.5415536097. The cubic root of 1689254516 is about 1190.9632565108.

The spelling of 1689254516 in words is "one billion, six hundred eighty-nine million, two hundred fifty-four thousand, five hundred sixteen".