4134409561 has 2 divisors, whose sum is σ = 4134409562. Its totient is φ = 4134409560.

The previous prime is 4134409553. The next prime is 4134409603. The reversal of 4134409561 is 1659044314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4101633936 + 32775625 = 64044^2 + 5725^2 .

It is a cyclic number.

It is not a de Polignac number, because 4134409561 - 2³ = 4134409553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4134409561.

It is not a weakly prime, because it can be changed into another prime (4134499561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067204780 + 2067204781.

It is an arithmetic number, because the mean of its divisors is an integer number (2067204781).

Almost surely, 2^4134409561 is an apocalyptic number.

It is an amenable number.

4134409561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4134409561 is an equidigital number, since it uses as much as digits as its factorization.

4134409561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 4134409561 is about 64299.3744992904. The cubic root of 4134409561 is about 1604.9856930755.

The spelling of 4134409561 in words is "four billion, one hundred thirty-four million, four hundred nine thousand, five hundred sixty-one".