4102421265 has 12 divisors (see below), whose sum is σ = 7110863604. Its totient is φ = 2187957984.

The previous prime is 4102421263. The next prime is 4102421293. The reversal of 4102421265 is 5621242014.

4102421265 is a `hidden beast` number, since 410 + 242 + 1 + 2 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 688590081 + 3413831184 = 26241^2 + 58428^2 .

It is not a de Polignac number, because 4102421265 - 2¹ = 4102421263 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4102421263) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 45582414 + ... + 45582503.

It is an arithmetic number, because the mean of its divisors is an integer number (592571967).

Almost surely, 2^4102421265 is an apocalyptic number.

4102421265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4102421265 is a deficient number, since it is larger than the sum of its proper divisors (3008442339).

4102421265 is a wasteful number, since it uses less digits than its factorization.

4102421265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91164928 (or 91164925 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4102421265 is about 64050.1464869519. The cubic root of 4102421265 is about 1600.8356656769.

Adding to 4102421265 its reverse (5621242014), we get a palindrome (9723663279).

The spelling of 4102421265 in words is "four billion, one hundred two million, four hundred twenty-one thousand, two hundred sixty-five".