9992645371 has 4 divisors (see below), whose sum is σ = 9992983000. Its totient is φ = 9992307744.

The previous prime is 9992645347. The next prime is 9992645381. The reversal of 9992645371 is 1735462999.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9992645371 - 2⁹ = 9992644859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9992645321) 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, 119646 + ... + 185203.

It is an arithmetic number, because the mean of its divisors is an integer number (2498245750).

Almost surely, 2^9992645371 is an apocalyptic number.

9992645371 is a deficient number, since it is larger than the sum of its proper divisors (337629).

9992645371 is a wasteful number, since it uses less digits than its factorization.

9992645371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337628.

The product of its digits is 3674160, while the sum is 55.

The square root of 9992645371 is about 99963.2200911915. The cubic root of 9992645371 is about 2153.9063915677.

The spelling of 9992645371 in words is "nine billion, nine hundred ninety-two million, six hundred forty-five thousand, three hundred seventy-one".