289209974431 has 16 divisors (see below), whose sum is σ = 342671423040. Its totient is φ = 238822375680.

The previous prime is 289209974401. The next prime is 289209974441. The reversal of 289209974431 is 134479902982.

It is not a de Polignac number, because 289209974431 - 2⁷ = 289209974303 is a prime.

It is a super-2 number, since 2×289209974431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289209974401) 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, 1465960 + ... + 1651501.

It is an arithmetic number, because the mean of its divisors is an integer number (21416963940).

Almost surely, 2^289209974431 is an apocalyptic number.

289209974431 is a deficient number, since it is larger than the sum of its proper divisors (53461448609).

289209974431 is a wasteful number, since it uses less digits than its factorization.

289209974431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117954.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 289209974431 in words is "two hundred eighty-nine billion, two hundred nine million, nine hundred seventy-four thousand, four hundred thirty-one".