938979061 has 2 divisors, whose sum is σ = 938979062. Its totient is φ = 938979060.

The previous prime is 938979059. The next prime is 938979073. The reversal of 938979061 is 160979839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795578436 + 143400625 = 28206^2 + 11975^2 .

It is an emirp because it is prime and its reverse (160979839) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 938979061 - 2¹ = 938979059 is a prime.

Together with 938979059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938979011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469489530 + 469489531.

It is an arithmetic number, because the mean of its divisors is an integer number (469489531).

Almost surely, 2^938979061 is an apocalyptic number.

It is an amenable number.

938979061 is a deficient number, since it is larger than the sum of its proper divisors (1).

938979061 is an equidigital number, since it uses as much as digits as its factorization.

938979061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 938979061 is about 30642.7652309644. The cubic root of 938979061 is about 979.2313356832.

The spelling of 938979061 in words is "nine hundred thirty-eight million, nine hundred seventy-nine thousand, sixty-one".