4109505541 has 2 divisors, whose sum is σ = 4109505542. Its totient is φ = 4109505540.

The previous prime is 4109505539. The next prime is 4109505551. The reversal of 4109505541 is 1455059014.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3550372225 + 559133316 = 59585^2 + 23646^2 .

It is a cyclic number.

It is not a de Polignac number, because 4109505541 - 2¹ = 4109505539 is a prime.

Together with 4109505539, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4109505497 and 4109505506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4109505511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054752770 + 2054752771.

It is an arithmetic number, because the mean of its divisors is an integer number (2054752771).

Almost surely, 2^4109505541 is an apocalyptic number.

It is an amenable number.

4109505541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4109505541 is an equidigital number, since it uses as much as digits as its factorization.

4109505541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 4109505541 is about 64105.4252072319. The cubic root of 4109505541 is about 1601.7566047410.

The spelling of 4109505541 in words is "four billion, one hundred nine million, five hundred five thousand, five hundred forty-one".