9497777949 has 12 divisors (see below), whose sum is σ = 14966195712. Its totient is φ = 5756229000.

The previous prime is 9497777917. The next prime is 9497777953.

9497777949 is nontrivially palindromic in base 10.

9497777949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9497777949 - 2⁵ = 9497777917 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9497777749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47968477 + ... + 47968674.

It is an arithmetic number, because the mean of its divisors is an integer number (1247182976).

Almost surely, 2^9497777949 is an apocalyptic number.

9497777949 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9497777949 is a deficient number, since it is larger than the sum of its proper divisors (5468417763).

9497777949 is a wasteful number, since it uses less digits than its factorization.

9497777949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95937168 (or 95937165 counting only the distinct ones).

The product of its digits is 252047376, while the sum is 72.

The square root of 9497777949 is about 97456.5439003457. The cubic root of 9497777949 is about 2117.7466526544.

The spelling of 9497777949 in words is "nine billion, four hundred ninety-seven million, seven hundred seventy-seven thousand, nine hundred forty-nine".