289871334957 has 8 divisors (see below), whose sum is σ = 386513618400. Its totient is φ = 193238304080.

The previous prime is 289871334943. The next prime is 289871334971. The reversal of 289871334957 is 759433178982.

It is an interprime number because it is at equal distance from previous prime (289871334943) and next prime (289871334971).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 289871334957 - 2⁷ = 289871334829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289871336957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239707 + ... + 2365592.

It is an arithmetic number, because the mean of its divisors is an integer number (48314202300).

Almost surely, 2^289871334957 is an apocalyptic number.

It is an amenable number.

289871334957 is a deficient number, since it is larger than the sum of its proper divisors (96642283443).

289871334957 is a wasteful number, since it uses less digits than its factorization.

289871334957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626283.

The product of its digits is 91445760, while the sum is 66.

The spelling of 289871334957 in words is "two hundred eighty-nine billion, eight hundred seventy-one million, three hundred thirty-four thousand, nine hundred fifty-seven".