9899263671 has 64 divisors (see below), whose sum is σ = 14939043840. Its totient is φ = 5780016000.

The previous prime is 9899263669. The next prime is 9899263721. The reversal of 9899263671 is 1763629989.

9899263671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9899263671 - 2¹ = 9899263669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9899263631) 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 63 ways as a sum of consecutive naturals, for example, 29906976 + ... + 29907306.

It is an arithmetic number, because the mean of its divisors is an integer number (233422560).

Almost surely, 2^9899263671 is an apocalyptic number.

9899263671 is a deficient number, since it is larger than the sum of its proper divisors (5039780169).

9899263671 is a wasteful number, since it uses less digits than its factorization.

9899263671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 8817984, while the sum is 60.

The square root of 9899263671 is about 99495.0434494101. The cubic root of 9899263671 is about 2147.1759331164.

The spelling of 9899263671 in words is "nine billion, eight hundred ninety-nine million, two hundred sixty-three thousand, six hundred seventy-one".