289532166109 has 16 divisors (see below), whose sum is σ = 297297471744. Its totient is φ = 281801116800.

The previous prime is 289532166101. The next prime is 289532166137. The reversal of 289532166109 is 901661235982.

It is a cyclic number.

It is not a de Polignac number, because 289532166109 - 2³ = 289532166101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289532166101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39915327 + ... + 39922579.

It is an arithmetic number, because the mean of its divisors is an integer number (18581091984).

Almost surely, 2^289532166109 is an apocalyptic number.

It is an amenable number.

289532166109 is a deficient number, since it is larger than the sum of its proper divisors (7765305635).

289532166109 is a wasteful number, since it uses less digits than its factorization.

289532166109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 289532166109 in words is "two hundred eighty-nine billion, five hundred thirty-two million, one hundred sixty-six thousand, one hundred nine".