289397514690 has 128 divisors (see below), whose sum is σ = 779431403520. Its totient is φ = 76403127744.

The previous prime is 289397514677. The next prime is 289397514691. The reversal of 289397514690 is 96415793982.

289397514690 is a `hidden beast` number, since 2 + 89 + 3 + 97 + 5 + 1 + 469 + 0 = 666.

It is a super-2 number, since 2×289397514690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (289397514691) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91377487 + ... + 91380653.

It is an arithmetic number, because the mean of its divisors is an integer number (6089307840).

It is a 1-persistent number, because it is pandigital, but 2⋅289397514690 = 578795029380 is not.

Almost surely, 2^289397514690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289397514690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389715701760).

289397514690 is an abundant number, since it is smaller than the sum of its proper divisors (490033888830).

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

289397514690 is a wasteful number, since it uses less digits than its factorization.

289397514690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 289397514690 in words is "two hundred eighty-nine billion, three hundred ninety-seven million, five hundred fourteen thousand, six hundred ninety".