9892138470 has 32 divisors (see below), whose sum is σ = 24320187360. Its totient is φ = 2573564160.

The previous prime is 9892138439. The next prime is 9892138489. The reversal of 9892138470 is 748312989.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4019965 + ... + 4022424.

It is an arithmetic number, because the mean of its divisors is an integer number (760005855).

Almost surely, 2^9892138470 is an apocalyptic number.

9892138470 is an abundant number, since it is smaller than the sum of its proper divisors (14428048890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9892138470 is a wasteful number, since it uses less digits than its factorization.

9892138470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8042440.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 9892138470 is about 99459.2301900633. The cubic root of 9892138470 is about 2146.6606512837.

The spelling of 9892138470 in words is "nine billion, eight hundred ninety-two million, one hundred thirty-eight thousand, four hundred seventy".