4281215761 has 9 divisors (see below), whose sum is σ = 4358939131. Its totient is φ = 4204857784.

The previous prime is 4281215749. The next prime is 4281215767. The reversal of 4281215761 is 1675121824.

The square root of 4281215761 is 65431.

It is a perfect power (a square), and thus also a powerful number.

4281215761 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 69205761 + 4212010000 = 8319^2 + 64900^2 .

It is not a de Polignac number, because 4281215761 - 2⁷ = 4281215633 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 4281215761.

It is not an unprimeable number, because it can be changed into a prime (4281215767) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3859875 + ... + 3860983.

Almost surely, 2^4281215761 is an apocalyptic number.

4281215761 is the 65431-st square number.

4281215761 is the 32716-th centered octagonal number.

It is an amenable number.

4281215761 is a deficient number, since it is larger than the sum of its proper divisors (77723370).

4281215761 is an frugal number, since it uses more digits than its factorization.

4281215761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 1168 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The cubic root of 4281215761 is about 1623.7619933637.

The spelling of 4281215761 in words is "four billion, two hundred eighty-one million, two hundred fifteen thousand, seven hundred sixty-one".