985069993 has 4 divisors (see below), whose sum is σ = 985162708. Its totient is φ = 984977280.

The previous prime is 985069973. The next prime is 985070011. The reversal of 985069993 is 399960589.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 424895769 + 560174224 = 20613^2 + 23668^2 .

It is a cyclic number.

It is not a de Polignac number, because 985069993 - 2²¹ = 982972841 is a prime.

It is a super-2 number, since 2×985069993² = 1940725782218040098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (985069933) 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 in 3 ways as a sum of consecutive naturals, for example, 27996 + ... + 52477.

It is an arithmetic number, because the mean of its divisors is an integer number (246290677).

Almost surely, 2^985069993 is an apocalyptic number.

It is an amenable number.

985069993 is a deficient number, since it is larger than the sum of its proper divisors (92715).

985069993 is a wasteful number, since it uses less digits than its factorization.

985069993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92714.

The product of its (nonzero) digits is 4723920, while the sum is 58.

The square root of 985069993 is about 31385.8247143515. The cubic root of 985069993 is about 994.9983562677.

The spelling of 985069993 in words is "nine hundred eighty-five million, sixty-nine thousand, nine hundred ninety-three".