9306871049861 has 32 divisors (see below), whose sum is σ = 12289652812800. Its totient is φ = 6823440633600.

The previous prime is 9306871049857. The next prime is 9306871049873. The reversal of 9306871049861 is 1689401786039.

It is not a de Polignac number, because 9306871049861 - 2² = 9306871049857 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9306871049794 and 9306871049803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9306871049821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3240806 + ... + 5395976.

It is an arithmetic number, because the mean of its divisors is an integer number (384051650400).

Almost surely, 2^{9306871049861} is an apocalyptic number.

It is an amenable number.

9306871049861 is a deficient number, since it is larger than the sum of its proper divisors (2982781762939).

9306871049861 is a wasteful number, since it uses less digits than its factorization.

9306871049861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158505.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 9306871049861 in words is "nine trillion, three hundred six billion, eight hundred seventy-one million, forty-nine thousand, eight hundred sixty-one".