9464444649 has 16 divisors (see below), whose sum is σ = 15296072640. Its totient is φ = 5736026880.

The previous prime is 9464444581. The next prime is 9464444653.

9464444649 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9464444649 - 2⁸ = 9464444393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9464444595 and 9464444604.

It is not an unprimeable number, because it can be changed into a prime (9464444149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15933112 + ... + 15933705.

It is an arithmetic number, because the mean of its divisors is an integer number (956004540).

Almost surely, 2^9464444649 is an apocalyptic number.

9464444649 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9464444649 is a deficient number, since it is larger than the sum of its proper divisors (5831627991).

9464444649 is a wasteful number, since it uses less digits than its factorization.

9464444649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31866837 (or 31866831 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The square root of 9464444649 is about 97285.3773647407. The cubic root of 9464444649 is about 2115.2662750108.

The spelling of 9464444649 in words is "nine billion, four hundred sixty-four million, four hundred forty-four thousand, six hundred forty-nine".