289439137792 has 60 divisors (see below), whose sum is σ = 661555244560. Its totient is φ = 124045295616.

The previous prime is 289439137753. The next prime is 289439137831. The reversal of 289439137792 is 297731934982.

It is an interprime number because it is at equal distance from previous prime (289439137753) and next prime (289439137831).

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147167 + ... + 1376542.

Almost surely, 2^289439137792 is an apocalyptic number.

It is an amenable number.

289439137792 is an abundant number, since it is smaller than the sum of its proper divisors (372116106768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289439137792 is an frugal number, since it uses more digits than its factorization.

289439137792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2523744 (or 2523718 counting only the distinct ones).

The product of its digits is 41150592, while the sum is 64.

The spelling of 289439137792 in words is "two hundred eighty-nine billion, four hundred thirty-nine million, one hundred thirty-seven thousand, seven hundred ninety-two".