7489304649 has 6 divisors (see below), whose sum is σ = 10817884506. Its totient is φ = 4992869760.

The previous prime is 7489304621. The next prime is 7489304741. The reversal of 7489304649 is 9464039847.

It is a happy number.

7489304649 is a `hidden beast` number, since 74 + 89 + 30 + 464 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6985616400 + 503688249 = 83580^2 + 22443^2 .

It is not a de Polignac number, because 7489304649 - 2²³ = 7480916041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7489304595 and 7489304604.

It is not an unprimeable number, because it can be changed into a prime (7489304149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416072472 + ... + 416072489.

It is an arithmetic number, because the mean of its divisors is an integer number (1802980751).

Almost surely, 2^7489304649 is an apocalyptic number.

It is an amenable number.

7489304649 is a deficient number, since it is larger than the sum of its proper divisors (3328579857).

7489304649 is a wasteful number, since it uses less digits than its factorization.

7489304649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832144967 (or 832144964 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The square root of 7489304649 is about 86540.7687104754. The cubic root of 7489304649 is about 1956.5029138599.

The spelling of 7489304649 in words is "seven billion, four hundred eighty-nine million, three hundred four thousand, six hundred forty-nine".