9892931138 has 8 divisors (see below), whose sum is σ = 15184499088. Its totient is φ = 4831431444.

The previous prime is 9892931137. The next prime is 9892931161. The reversal of 9892931138 is 8311392989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9892931138.

It is not an unprimeable number, because it can be changed into a prime (9892931131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57516956 + ... + 57517127.

It is an arithmetic number, because the mean of its divisors is an integer number (1898062386).

Almost surely, 2^9892931138 is an apocalyptic number.

9892931138 is a deficient number, since it is larger than the sum of its proper divisors (5291567950).

9892931138 is a wasteful number, since it uses less digits than its factorization.

9892931138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115034128.

The product of its digits is 839808, while the sum is 53.

The square root of 9892931138 is about 99463.2149993152. The cubic root of 9892931138 is about 2146.7179878499.

The spelling of 9892931138 in words is "nine billion, eight hundred ninety-two million, nine hundred thirty-one thousand, one hundred thirty-eight".