9340981285 has 4 divisors (see below), whose sum is σ = 11209177548. Its totient is φ = 7472785024.

The previous prime is 9340981259. The next prime is 9340981291. The reversal of 9340981285 is 5821890439.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3169464804 + 6171516481 = 56298^2 + 78559^2 .

It is a cyclic number.

It is not a de Polignac number, because 9340981285 - 2⁷ = 9340981157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934098124 + ... + 934098133.

It is an arithmetic number, because the mean of its divisors is an integer number (2802294387).

Almost surely, 2^9340981285 is an apocalyptic number.

It is an amenable number.

9340981285 is a deficient number, since it is larger than the sum of its proper divisors (1868196263).

9340981285 is a wasteful number, since it uses less digits than its factorization.

9340981285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868196262.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 9340981285 is about 96648.7521129994. The cubic root of 9340981285 is about 2106.0281280787.

The spelling of 9340981285 in words is "nine billion, three hundred forty million, nine hundred eighty-one thousand, two hundred eighty-five".