9613863408 has 20 divisors (see below), whose sum is σ = 24835813928. Its totient is φ = 3204621120.

The previous prime is 9613863401. The next prime is 9613863451. The reversal of 9613863408 is 8043683169.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 200288821 = 9613863408 / (9 + 6 + 1 + 3 + 8 + 6 + 3 + 4 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9613863401) 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, 100144363 + ... + 100144458.

Almost surely, 2^9613863408 is an apocalyptic number.

It is an amenable number.

9613863408 is an abundant number, since it is smaller than the sum of its proper divisors (15221950520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9613863408 is a wasteful number, since it uses less digits than its factorization.

9613863408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200288832 (or 200288826 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 9613863408 is about 98050.3105961424. The cubic root of 9613863408 is about 2126.3397066598.

The spelling of 9613863408 in words is "nine billion, six hundred thirteen million, eight hundred sixty-three thousand, four hundred eight".