4065212461 has 8 divisors (see below), whose sum is σ = 4112333624. Its totient is φ = 4018360320.

The previous prime is 4065212453. The next prime is 4065212477. The reversal of 4065212461 is 1642125604.

It is a happy number.

4065212461 is digitally balanced in base 2, 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 4 ways, for example, as 3572100 + 4061640361 = 1890^2 + 63731^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4065212461 - 2³ = 4065212453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065215461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36780 + ... + 97381.

It is an arithmetic number, because the mean of its divisors is an integer number (514041703).

Almost surely, 2^4065212461 is an apocalyptic number.

It is an amenable number.

4065212461 is a deficient number, since it is larger than the sum of its proper divisors (47121163).

4065212461 is a wasteful number, since it uses less digits than its factorization.

4065212461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134511.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4065212461 is about 63759.0186640290. The cubic root of 4065212461 is about 1595.9811196869.

The spelling of 4065212461 in words is "four billion, sixty-five million, two hundred twelve thousand, four hundred sixty-one".