9968464491 has 8 divisors (see below), whose sum is σ = 13440626640. Its totient is φ = 6570972672.

The previous prime is 9968464489. The next prime is 9968464547. The reversal of 9968464491 is 1944648699.

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

It is not a de Polignac number, because 9968464491 - 2¹ = 9968464489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9968464421) 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, 18667270 + ... + 18667803.

It is an arithmetic number, because the mean of its divisors is an integer number (1680078330).

Almost surely, 2^9968464491 is an apocalyptic number.

9968464491 is a deficient number, since it is larger than the sum of its proper divisors (3472162149).

9968464491 is a wasteful number, since it uses less digits than its factorization.

9968464491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37335165.

The product of its digits is 13436928, while the sum is 60.

The square root of 9968464491 is about 99842.1979475612. The cubic root of 9968464491 is about 2152.1675987447.

The spelling of 9968464491 in words is "nine billion, nine hundred sixty-eight million, four hundred sixty-four thousand, four hundred ninety-one".