4121540413 has 2 divisors, whose sum is σ = 4121540414. Its totient is φ = 4121540412.

The previous prime is 4121540387. The next prime is 4121540419. The reversal of 4121540413 is 3140451214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2703792004 + 1417748409 = 51998^2 + 37653^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121540413 - 2¹³ = 4121532221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121540419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060770206 + 2060770207.

It is an arithmetic number, because the mean of its divisors is an integer number (2060770207).

Almost surely, 2^4121540413 is an apocalyptic number.

It is an amenable number.

4121540413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121540413 is an equidigital number, since it uses as much as digits as its factorization.

4121540413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4121540413 is about 64199.2243956265. The cubic root of 4121540413 is about 1603.3186863009.

Adding to 4121540413 its reverse (3140451214), we get a palindrome (7261991627).

The spelling of 4121540413 in words is "four billion, one hundred twenty-one million, five hundred forty thousand, four hundred thirteen".