9892931137 has 2 divisors, whose sum is σ = 9892931138. Its totient is φ = 9892931136.

The previous prime is 9892931131. The next prime is 9892931161. The reversal of 9892931137 is 7311392989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6626122801 + 3266808336 = 81401^2 + 57156^2 .

It is an emirp because it is prime and its reverse (7311392989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9892931137 - 2¹¹ = 9892929089 is a prime.

It is a super-2 number, since 2×9892931137² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9892931131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4946465568 + 4946465569.

It is an arithmetic number, because the mean of its divisors is an integer number (4946465569).

Almost surely, 2^9892931137 is an apocalyptic number.

It is an amenable number.

9892931137 is a deficient number, since it is larger than the sum of its proper divisors (1).

9892931137 is an equidigital number, since it uses as much as digits as its factorization.

9892931137 is an evil number, because the sum of its binary digits is even.

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

The square root of 9892931137 is about 99463.2149942882. The cubic root of 9892931137 is about 2146.7179877776.

The spelling of 9892931137 in words is "nine billion, eight hundred ninety-two million, nine hundred thirty-one thousand, one hundred thirty-seven".