9463663649 has 12 divisors (see below), whose sum is σ = 10967017488. Its totient is φ = 8097249600.

The previous prime is 9463663597. The next prime is 9463663667.

It is a happy number.

9463663649 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-9463663649 is a prime.

It is a super-2 number, since 2×9463663649² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9463663594 and 9463663603.

It is not an unprimeable number, because it can be changed into a prime (9463663679) 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, 1485287 + ... + 1491644.

It is an arithmetic number, because the mean of its divisors is an integer number (913918124).

Almost surely, 2^9463663649 is an apocalyptic number.

It is an amenable number.

9463663649 is a deficient number, since it is larger than the sum of its proper divisors (1503353839).

9463663649 is a wasteful number, since it uses less digits than its factorization.

9463663649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976976 (or 2976959 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 56.

The square root of 9463663649 is about 97281.3633179552. The cubic root of 9463663649 is about 2115.2080899309.

The spelling of 9463663649 in words is "nine billion, four hundred sixty-three million, six hundred sixty-three thousand, six hundred forty-nine".