9731961841 has 8 divisors (see below), whose sum is σ = 11153752704. Its totient is φ = 8318048640.

The previous prime is 9731961809. The next prime is 9731961847. The reversal of 9731961841 is 1481691379.

9731961841 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9731961841 - 2⁵ = 9731961809 is a prime.

It is a super-2 number, since 2×9731961841² (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 (9731961847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966765 + ... + 1971706.

It is an arithmetic number, because the mean of its divisors is an integer number (1394219088).

Almost surely, 2^9731961841 is an apocalyptic number.

It is an amenable number.

9731961841 is a deficient number, since it is larger than the sum of its proper divisors (1421790863).

9731961841 is a wasteful number, since it uses less digits than its factorization.

9731961841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938831.

The product of its digits is 326592, while the sum is 49.

The square root of 9731961841 is about 98650.7062367016. The cubic root of 9731961841 is about 2135.0110763301.

The spelling of 9731961841 in words is "nine billion, seven hundred thirty-one million, nine hundred sixty-one thousand, eight hundred forty-one".