4135886761 has 4 divisors (see below), whose sum is σ = 4136605524. Its totient is φ = 4135168000.

The previous prime is 4135886717. The next prime is 4135886773. The reversal of 4135886761 is 1676885314.

It is a happy number.

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 4098432361 + 37454400 = 64019^2 + 6120^2 .

It is a cyclic number.

It is not a de Polignac number, because 4135886761 - 2¹¹ = 4135884713 is a prime.

It is a super-2 number, since 2×4135886761² = 34211118599630142242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4135806761) 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, 350680 + ... + 362281.

It is an arithmetic number, because the mean of its divisors is an integer number (1034151381).

Almost surely, 2^4135886761 is an apocalyptic number.

It is an amenable number.

4135886761 is a deficient number, since it is larger than the sum of its proper divisors (718763).

4135886761 is an equidigital number, since it uses as much as digits as its factorization.

4135886761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718762.

The product of its digits is 967680, while the sum is 49.

The square root of 4135886761 is about 64310.8603658822. The cubic root of 4135886761 is about 1605.1768209354.

The spelling of 4135886761 in words is "four billion, one hundred thirty-five million, eight hundred eighty-six thousand, seven hundred sixty-one".