289948863962 has 32 divisors (see below), whose sum is σ = 443357388432. Its totient is φ = 142195267584.

The previous prime is 289948863949. The next prime is 289948863977. The reversal of 289948863962 is 269368849982.

It is a Cunningham number, because it is equal to 538469²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 130197567241 + 159751296721 = 360829^2 + 399689^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 289948863962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10625528 + ... + 10652780.

Almost surely, 2^289948863962 is an apocalyptic number.

289948863962 is a deficient number, since it is larger than the sum of its proper divisors (153408524470).

289948863962 is a wasteful number, since it uses less digits than its factorization.

289948863962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27842.

The product of its digits is 644972544, while the sum is 74.

The spelling of 289948863962 in words is "two hundred eighty-nine billion, nine hundred forty-eight million, eight hundred sixty-three thousand, nine hundred sixty-two".