936666013 has 2 divisors, whose sum is σ = 936666014. Its totient is φ = 936666012.

The previous prime is 936665999. The next prime is 936666067. The reversal of 936666013 is 310666639.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540934564 + 395731449 = 23258^2 + 19893^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-936666013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (936666083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 468333006 + 468333007.

It is an arithmetic number, because the mean of its divisors is an integer number (468333007).

Almost surely, 2^936666013 is an apocalyptic number.

It is an amenable number.

936666013 is a deficient number, since it is larger than the sum of its proper divisors (1).

936666013 is an equidigital number, since it uses as much as digits as its factorization.

936666013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 936666013 is about 30604.9998039536. Note that the first 3 decimals coincide. The cubic root of 936666013 is about 978.4266065278.

The spelling of 936666013 in words is "nine hundred thirty-six million, six hundred sixty-six thousand, thirteen".