9946497331 has 6 divisors (see below), whose sum is σ = 9955247820. Its totient is φ = 9937753596.

The previous prime is 9946497317. The next prime is 9946497347. The reversal of 9946497331 is 1337946499.

It is a happy number.

It is not a de Polignac number, because 9946497331 - 2⁵ = 9946497299 is a prime.

It is a super-2 number, since 2×9946497331² (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 (9946497031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3050380 + ... + 3053638.

It is an arithmetic number, because the mean of its divisors is an integer number (1659207970).

Almost surely, 2^9946497331 is an apocalyptic number.

9946497331 is a deficient number, since it is larger than the sum of its proper divisors (8750489).

9946497331 is an frugal number, since it uses more digits than its factorization.

9946497331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753 (or 5006 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 55.

The square root of 9946497331 is about 99732.1278776303. The cubic root of 9946497331 is about 2150.5855503366.

The spelling of 9946497331 in words is "nine billion, nine hundred forty-six million, four hundred ninety-seven thousand, three hundred thirty-one".