4288636385 has 8 divisors (see below), whose sum is σ = 5614214976. Its totient is φ = 3119008240.

The previous prime is 4288636349. The next prime is 4288636397. The reversal of 4288636385 is 5836368824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4288636385 - 2¹² = 4288632289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38987549 + ... + 38987658.

It is an arithmetic number, because the mean of its divisors is an integer number (701776872).

Almost surely, 2^4288636385 is an apocalyptic number.

It is an amenable number.

4288636385 is a deficient number, since it is larger than the sum of its proper divisors (1325578591).

4288636385 is a wasteful number, since it uses less digits than its factorization.

4288636385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77975223.

The product of its digits is 6635520, while the sum is 53.

The square root of 4288636385 is about 65487.6811698200. The cubic root of 4288636385 is about 1624.6996064852.

The spelling of 4288636385 in words is "four billion, two hundred eighty-eight million, six hundred thirty-six thousand, three hundred eighty-five".