9961684710 has 32 divisors (see below), whose sum is σ = 23975796960. Its totient is φ = 2648921088.

The previous prime is 9961684693. The next prime is 9961684723. The reversal of 9961684710 is 174861699.

It is a happy number.

It is a super-3 number, since 3×9961684710³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 459745 + ... + 480924.

It is an arithmetic number, because the mean of its divisors is an integer number (749243655).

Almost surely, 2^9961684710 is an apocalyptic number.

9961684710 is an abundant number, since it is smaller than the sum of its proper divisors (14014112250).

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

9961684710 is a wasteful number, since it uses less digits than its factorization.

9961684710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941032.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 9961684710 is about 99808.2396899174. The cubic root of 9961684710 is about 2151.6795752649.

The spelling of 9961684710 in words is "nine billion, nine hundred sixty-one million, six hundred eighty-four thousand, seven hundred ten".