5351287649 has 2 divisors, whose sum is σ = 5351287650. Its totient is φ = 5351287648.

The previous prime is 5351287619. The next prime is 5351287681. The reversal of 5351287649 is 9467821535.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4126777600 + 1224510049 = 64240^2 + 34993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5351287649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5351287597 and 5351287606.

It is not a weakly prime, because it can be changed into another prime (5351287609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2675643824 + 2675643825.

It is an arithmetic number, because the mean of its divisors is an integer number (2675643825).

Almost surely, 2^5351287649 is an apocalyptic number.

It is an amenable number.

5351287649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5351287649 is an equidigital number, since it uses as much as digits as its factorization.

5351287649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 5351287649 is about 73152.4958494240. The cubic root of 5351287649 is about 1749.1193009656.

The spelling of 5351287649 in words is "five billion, three hundred fifty-one million, two hundred eighty-seven thousand, six hundred forty-nine".