4205262681 has 12 divisors (see below), whose sum is σ = 6431578452. Its totient is φ = 2638596096.

The previous prime is 4205262671. The next prime is 4205262683. The reversal of 4205262681 is 1862625024.

It is a happy number.

4205262681 is a `hidden beast` number, since 4 + 20 + 5 + 2 + 626 + 8 + 1 = 666.

4205262681 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 2 ways, for example, as 3467325456 + 737937225 = 58884^2 + 27165^2 .

It is not a de Polignac number, because 4205262681 - 2⁷ = 4205262553 is a prime.

It is a super-2 number, since 2×4205262681² = 35368468432422615522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4205262683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13742536 + ... + 13742841.

It is an arithmetic number, because the mean of its divisors is an integer number (535964871).

Almost surely, 2^4205262681 is an apocalyptic number.

It is an amenable number.

4205262681 is a deficient number, since it is larger than the sum of its proper divisors (2226315771).

4205262681 is a wasteful number, since it uses less digits than its factorization.

4205262681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27485400 (or 27485397 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 4205262681 is about 64847.9967385269. The cubic root of 4205262681 is about 1614.1022504929.

The spelling of 4205262681 in words is "four billion, two hundred five million, two hundred sixty-two thousand, six hundred eighty-one".