9683634943 has 16 divisors (see below), whose sum is σ = 10318514400. Its totient is φ = 9061493760.

The previous prime is 9683634941. The next prime is 9683634953. The reversal of 9683634943 is 3494363869.

It is a cyclic number.

It is not a de Polignac number, because 9683634943 - 2¹ = 9683634941 is a prime.

It is a super-2 number, since 2×9683634943² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9683634941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2048823 + ... + 2053543.

It is an arithmetic number, because the mean of its divisors is an integer number (644907150).

Almost surely, 2^9683634943 is an apocalyptic number.

9683634943 is a deficient number, since it is larger than the sum of its proper divisors (634879457).

9683634943 is a wasteful number, since it uses less digits than its factorization.

9683634943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042.

The product of its digits is 10077696, while the sum is 55.

The square root of 9683634943 is about 98405.4619571495. The cubic root of 9683634943 is about 2131.4712034683.

The spelling of 9683634943 in words is "nine billion, six hundred eighty-three million, six hundred thirty-four thousand, nine hundred forty-three".