289990998441 has 6 divisors (see below), whose sum is σ = 418875886650. Its totient is φ = 193327332288.

The previous prime is 289990998439. The next prime is 289990998443. The reversal of 289990998441 is 144899099982.

289990998441 is a `hidden beast` number, since 2 + 8 + 9 + 9 + 90 + 9 + 98 + 441 = 666.

289990998441 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (289990998439) and next prime (289990998443).

It can be written as a sum of positive squares in only one way, i.e., 264302922816 + 25688075625 = 514104^2 + 160275^2 .

It is not a de Polignac number, because 289990998441 - 2¹ = 289990998439 is a prime.

It is a super-4 number, since 4×289990998441⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 289990998441.

It is not an unprimeable number, because it can be changed into a prime (289990998443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16110611016 + ... + 16110611033.

It is an arithmetic number, because the mean of its divisors is an integer number (69812647775).

Almost surely, 2^289990998441 is an apocalyptic number.

It is an amenable number.

289990998441 is a deficient number, since it is larger than the sum of its proper divisors (128884888209).

289990998441 is a wasteful number, since it uses less digits than its factorization.

289990998441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32221222055 (or 32221222052 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 72.

The spelling of 289990998441 in words is "two hundred eighty-nine billion, nine hundred ninety million, nine hundred ninety-eight thousand, four hundred forty-one".