7534354649 has 2 divisors, whose sum is σ = 7534354650. Its totient is φ = 7534354648.

The previous prime is 7534354643. The next prime is 7534354679. The reversal of 7534354649 is 9464534357.

7534354649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7381387225 + 152967424 = 85915^2 + 12368^2 .

It is an emirp because it is prime and its reverse (9464534357) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7534354649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7534354597 and 7534354606.

It is not a weakly prime, because it can be changed into another prime (7534354643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3767177324 + 3767177325.

It is an arithmetic number, because the mean of its divisors is an integer number (3767177325).

Almost surely, 2^7534354649 is an apocalyptic number.

It is an amenable number.

7534354649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7534354649 is an equidigital number, since it uses as much as digits as its factorization.

7534354649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 50.

The square root of 7534354649 is about 86800.6604179945. The cubic root of 7534354649 is about 1960.4180221298.

The spelling of 7534354649 in words is "seven billion, five hundred thirty-four million, three hundred fifty-four thousand, six hundred forty-nine".