9402684861 has 16 divisors (see below), whose sum is σ = 12579959808. Its totient is φ = 6246970800.

The previous prime is 9402684847. The next prime is 9402684871. The reversal of 9402684861 is 1684862049.

9402684861 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 9402684861 - 2¹⁷ = 9402553789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9402684861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9402684871) 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 15 ways as a sum of consecutive naturals, for example, 1155196 + ... + 1163306.

It is an arithmetic number, because the mean of its divisors is an integer number (786247488).

Almost surely, 2^9402684861 is an apocalyptic number.

It is an amenable number.

9402684861 is a deficient number, since it is larger than the sum of its proper divisors (3177274947).

9402684861 is a wasteful number, since it uses less digits than its factorization.

9402684861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 9402684861 is about 96967.4422731671. The cubic root of 9402684861 is about 2110.6552071511.

The spelling of 9402684861 in words is "nine billion, four hundred two million, six hundred eighty-four thousand, eight hundred sixty-one".