4287745841 has 4 divisors (see below), whose sum is σ = 4287899172. Its totient is φ = 4287592512.

The previous prime is 4287745793. The next prime is 4287745843. The reversal of 4287745841 is 1485477824.

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 2496001600 + 1791744241 = 49960^2 + 42329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4287745841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4287745841.

It is not an unprimeable number, because it can be changed into a prime (4287745843) 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, 21476 + ... + 95061.

It is an arithmetic number, because the mean of its divisors is an integer number (1071974793).

Almost surely, 2^4287745841 is an apocalyptic number.

It is an amenable number.

4287745841 is a deficient number, since it is larger than the sum of its proper divisors (153331).

4287745841 is a wasteful number, since it uses less digits than its factorization.

4287745841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153330.

The product of its digits is 2007040, while the sum is 50.

The square root of 4287745841 is about 65480.8814922341. The cubic root of 4287745841 is about 1624.5871413163.

The spelling of 4287745841 in words is "four billion, two hundred eighty-seven million, seven hundred forty-five thousand, eight hundred forty-one".