9968464493 has 12 divisors (see below), whose sum is σ = 10806043860. Its totient is φ = 9191609856.

The previous prime is 9968464489. The next prime is 9968464547. The reversal of 9968464493 is 3944648699.

It can be written as a sum of positive squares in 6 ways, for example, as 7231291369 + 2737173124 = 85037^2 + 52318^2 .

It is not a de Polignac number, because 9968464493 - 2² = 9968464489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9968464463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125255 + ... + 188747.

It is an arithmetic number, because the mean of its divisors is an integer number (900503655).

Almost surely, 2^9968464493 is an apocalyptic number.

It is an amenable number.

9968464493 is a deficient number, since it is larger than the sum of its proper divisors (837579367).

9968464493 is a wasteful number, since it uses less digits than its factorization.

9968464493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64448 (or 64435 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 62.

The square root of 9968464493 is about 99842.1979575770. The cubic root of 9968464493 is about 2152.1675988886.

The spelling of 9968464493 in words is "nine billion, nine hundred sixty-eight million, four hundred sixty-four thousand, four hundred ninety-three".