3915605427413 has 2 divisors, whose sum is σ = 3915605427414. Its totient is φ = 3915605427412.

The previous prime is 3915605427389. The next prime is 3915605427443. The reversal of 3915605427413 is 3147245065193.

3915605427413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3759340965604 + 156264461809 = 1938902^2 + 395303^2 .

It is a cyclic number.

It is not a de Polignac number, because 3915605427413 - 2¹⁰ = 3915605426389 is a prime.

It is a super-2 number, since 2×3915605427413² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3915605427443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957802713706 + 1957802713707.

It is an arithmetic number, because the mean of its divisors is an integer number (1957802713707).

Almost surely, 2^{3915605427413} is an apocalyptic number.

It is an amenable number.

3915605427413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3915605427413 is an equidigital number, since it uses as much as digits as its factorization.

3915605427413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 3915605427413 in words is "three trillion, nine hundred fifteen billion, six hundred five million, four hundred twenty-seven thousand, four hundred thirteen".