9814072357 has 4 divisors (see below), whose sum is σ = 9821180236. Its totient is φ = 9806964480.

The previous prime is 9814072351. The next prime is 9814072369. The reversal of 9814072357 is 7532704189.

9814072357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 99066²+1.

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 4460369796 + 5353702561 = 66786^2 + 73169^2 .

It is a cyclic number.

It is not a de Polignac number, because 9814072357 - 2¹⁵ = 9814039589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9814072351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3551868 + ... + 3554629.

It is an arithmetic number, because the mean of its divisors is an integer number (2455295059).

Almost surely, 2^9814072357 is an apocalyptic number.

It is an amenable number.

9814072357 is a deficient number, since it is larger than the sum of its proper divisors (7107879).

9814072357 is a wasteful number, since it uses less digits than its factorization.

9814072357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7107878.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 9814072357 is about 99066.0000050471. Note that the first 5 decimals coincide. The cubic root of 9814072357 is about 2140.9987736731.

The spelling of 9814072357 in words is "nine billion, eight hundred fourteen million, seventy-two thousand, three hundred fifty-seven".