288945355049 has 4 divisors (see below), whose sum is σ = 311171920836. Its totient is φ = 266718789264.

The previous prime is 288945355033. The next prime is 288945355067. The reversal of 288945355049 is 940553549882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121535904400 + 167409450649 = 348620^2 + 409157^2 .

It is a cyclic number.

It is not a de Polignac number, because 288945355049 - 2⁴ = 288945355033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 288945354982 and 288945355000.

It is not an unprimeable number, because it can be changed into a prime (288945355099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11113282874 + ... + 11113282899.

It is an arithmetic number, because the mean of its divisors is an integer number (77792980209).

Almost surely, 2^288945355049 is an apocalyptic number.

It is an amenable number.

288945355049 is a deficient number, since it is larger than the sum of its proper divisors (22226565787).

288945355049 is a wasteful number, since it uses less digits than its factorization.

288945355049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226565786.

The product of its (nonzero) digits is 62208000, while the sum is 62.

The spelling of 288945355049 in words is "two hundred eighty-eight billion, nine hundred forty-five million, three hundred fifty-five thousand, forty-nine".