9680981907 has 4 divisors (see below), whose sum is σ = 12907975880. Its totient is φ = 6453987936.

The previous prime is 9680981887. The next prime is 9680981929. The reversal of 9680981907 is 7091890869.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 9680981907 - 2¹⁴ = 9680965523 is a prime.

It is a super-2 number, since 2×9680981907² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9680981977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1613496982 + ... + 1613496987.

It is an arithmetic number, because the mean of its divisors is an integer number (3226993970).

Almost surely, 2^9680981907 is an apocalyptic number.

9680981907 is a deficient number, since it is larger than the sum of its proper divisors (3226993973).

9680981907 is a wasteful number, since it uses less digits than its factorization.

9680981907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226993972.

The product of its (nonzero) digits is 1959552, while the sum is 57.

The square root of 9680981907 is about 98391.9809079988. The cubic root of 9680981907 is about 2131.2765318610.

The spelling of 9680981907 in words is "nine billion, six hundred eighty million, nine hundred eighty-one thousand, nine hundred seven".