3943125615959 has 2 divisors, whose sum is σ = 3943125615960. Its totient is φ = 3943125615958.

The previous prime is 3943125615943. The next prime is 3943125615971. The reversal of 3943125615959 is 9595165213493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3943125615959 - 2⁴ = 3943125615943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3943125615859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1971562807979 + 1971562807980.

It is an arithmetic number, because the mean of its divisors is an integer number (1971562807980).

Almost surely, 2^{3943125615959} is an apocalyptic number.

3943125615959 is a deficient number, since it is larger than the sum of its proper divisors (1).

3943125615959 is an equidigital number, since it uses as much as digits as its factorization.

3943125615959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39366000, while the sum is 62.

The spelling of 3943125615959 in words is "three trillion, nine hundred forty-three billion, one hundred twenty-five million, six hundred fifteen thousand, nine hundred fifty-nine".