9491441949 has 96 divisors (see below), whose sum is σ = 15903565440. Its totient is φ = 5588352000.

The previous prime is 9491441933. The next prime is 9491441977.

9491441949 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9491441949 - 2⁴ = 9491441933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9491441895 and 9491441904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9491441149) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19330594 + ... + 19331084.

It is an arithmetic number, because the mean of its divisors is an integer number (165662140).

Almost surely, 2^9491441949 is an apocalyptic number.

9491441949 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9491441949 is a deficient number, since it is larger than the sum of its proper divisors (6412123491).

9491441949 is a wasteful number, since it uses less digits than its factorization.

9491441949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 663 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 9491441949 is about 97424.0316811001. The cubic root of 9491441949 is about 2117.2756292315.

The spelling of 9491441949 in words is "nine billion, four hundred ninety-one million, four hundred forty-one thousand, nine hundred forty-nine".