4105234781 has 2 divisors, whose sum is σ = 4105234782. Its totient is φ = 4105234780.

The previous prime is 4105234759. The next prime is 4105234807. The reversal of 4105234781 is 1874325014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2189772025 + 1915462756 = 46795^2 + 43766^2 .

It is a cyclic number.

It is not a de Polignac number, because 4105234781 - 2⁶ = 4105234717 is a prime.

It is a super-2 number, since 2×4105234781² = 33705905214264235922, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4105234711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052617390 + 2052617391.

It is an arithmetic number, because the mean of its divisors is an integer number (2052617391).

Almost surely, 2^4105234781 is an apocalyptic number.

It is an amenable number.

4105234781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4105234781 is an equidigital number, since it uses as much as digits as its factorization.

4105234781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 4105234781 is about 64072.1061071040. The cubic root of 4105234781 is about 1601.2015429010.

Adding to 4105234781 its reverse (1874325014), we get a palindrome (5979559795).

The spelling of 4105234781 in words is "four billion, one hundred five million, two hundred thirty-four thousand, seven hundred eighty-one".