3985047013 has 2 divisors, whose sum is σ = 3985047014. Its totient is φ = 3985047012.

The previous prime is 3985046941. The next prime is 3985047049. The reversal of 3985047013 is 3107405893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2994497284 + 990549729 = 54722^2 + 31473^2 .

It is a cyclic number.

It is not a de Polignac number, because 3985047013 - 2¹³ = 3985038821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3985041013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992523506 + 1992523507.

It is an arithmetic number, because the mean of its divisors is an integer number (1992523507).

Almost surely, 2^3985047013 is an apocalyptic number.

It is an amenable number.

3985047013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3985047013 is an equidigital number, since it uses as much as digits as its factorization.

3985047013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3985047013 is about 63127.2287764955. The cubic root of 3985047013 is about 1585.4205497711.

The spelling of 3985047013 in words is "three billion, nine hundred eighty-five million, forty-seven thousand, thirteen".