938649059 has 2 divisors, whose sum is σ = 938649060. Its totient is φ = 938649058.

The previous prime is 938649053. The next prime is 938649071. The reversal of 938649059 is 950946839.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 938649059 - 2⁴ = 938649043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 938649059.

It is not a weakly prime, because it can be changed into another prime (938649053) 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, 469324529 + 469324530.

It is an arithmetic number, because the mean of its divisors is an integer number (469324530).

Almost surely, 2^938649059 is an apocalyptic number.

938649059 is a deficient number, since it is larger than the sum of its proper divisors (1).

938649059 is an equidigital number, since it uses as much as digits as its factorization.

938649059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 938649059 is about 30637.3800936046. The cubic root of 938649059 is about 979.1166060523.

The spelling of 938649059 in words is "nine hundred thirty-eight million, six hundred forty-nine thousand, fifty-nine".