4101736781 has 2 divisors, whose sum is σ = 4101736782. Its totient is φ = 4101736780.

The previous prime is 4101736757. The next prime is 4101736789. The reversal of 4101736781 is 1876371014.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2493004900 + 1608731881 = 49930^2 + 40109^2 .

It is a cyclic number.

It is not a de Polignac number, because 4101736781 - 2²⁶ = 4034627917 is a prime.

It is a super-2 number, since 2×4101736781² = 33648489241216483922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4101736789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050868390 + 2050868391.

It is an arithmetic number, because the mean of its divisors is an integer number (2050868391).

Almost surely, 2^4101736781 is an apocalyptic number.

It is an amenable number.

4101736781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4101736781 is an equidigital number, since it uses as much as digits as its factorization.

4101736781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 4101736781 is about 64044.8029195188. The cubic root of 4101736781 is about 1600.7466282299.

The spelling of 4101736781 in words is "four billion, one hundred one million, seven hundred thirty-six thousand, seven hundred eighty-one".