3941617513 has 2 divisors, whose sum is σ = 3941617514. Its totient is φ = 3941617512.

The previous prime is 3941617499. The next prime is 3941617573. The reversal of 3941617513 is 3157161493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3374796649 + 566820864 = 58093^2 + 23808^2 .

It is a cyclic number.

It is not a de Polignac number, because 3941617513 - 2²⁹ = 3404746601 is a prime.

It is not a weakly prime, because it can be changed into another prime (3941617573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1970808756 + 1970808757.

It is an arithmetic number, because the mean of its divisors is an integer number (1970808757).

Almost surely, 2^3941617513 is an apocalyptic number.

It is an amenable number.

3941617513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3941617513 is an equidigital number, since it uses as much as digits as its factorization.

3941617513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 3941617513 is about 62782.3025461794. The cubic root of 3941617513 is about 1579.6401350215.

The spelling of 3941617513 in words is "three billion, nine hundred forty-one million, six hundred seventeen thousand, five hundred thirteen".